PITTS KEITH B

SEC source: 0001209191-19-047550 · doc4.xml · derivative · entry 5

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 56,713 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: On 8/25/14, the reporting person received a target grant of 33,390 performance-based restricted stock units, scheduled to vest on the fifth anniversary of the date of grant subject to the Company's attainment of specified performance goals and the level of achievement thereof. The performance goals were exceeded, and the award was certified at a payout of 56,713 units. The fifth anniversary occurred on 8/23/19 (the business day prior to the anniversary date, which fell on a weekend), resulting in the vesting and settlement of 56,713 shares of common stock, as shown in Table I.

F3 · derivative.exercise_date: On 8/25/14, the reporting person received a target grant of 33,390 performance-based restricted stock units, scheduled to vest on the fifth anniversary of the date of grant subject to the Company's attainment of specified performance goals and the level of achievement thereof. The performance goals were exceeded, and the award was certified at a payout of 56,713 units. The fifth anniversary occurred on 8/23/19 (the business day prior to the anniversary date, which fell on a weekend), resulting in the vesting and settlement of 56,713 shares of common stock, as shown in Table I.

F3 · derivative.expiration_date: On 8/25/14, the reporting person received a target grant of 33,390 performance-based restricted stock units, scheduled to vest on the fifth anniversary of the date of grant subject to the Company's attainment of specified performance goals and the level of achievement thereof. The performance goals were exceeded, and the award was certified at a payout of 56,713 units. The fifth anniversary occurred on 8/23/19 (the business day prior to the anniversary date, which fell on a weekend), resulting in the vesting and settlement of 56,713 shares of common stock, as shown in Table I.

F5 · derivative.underlying: Both time-based restricted stock units and performance-based restricted stock units are settled in shares of the Company's common stock upon vesting.

SEC source: 0001209191-19-047550 · doc4.xml · derivative · entry 4

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 16,694 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: As previously reported, on 8/25/14, the reporting person received a grant of 16,694 time-based restricted stock units that vest in their entirety on the fifth anniversary of the date of grant. The fifth anniversary occurred on 8/23/19 (the business day prior to the anniversary date, which fell on a weekend), resulting in the vesting and settlement of 16,694 shares of common stock, as shown in Table I.

F1 · derivative.exercise_date: As previously reported, on 8/25/14, the reporting person received a grant of 16,694 time-based restricted stock units that vest in their entirety on the fifth anniversary of the date of grant. The fifth anniversary occurred on 8/23/19 (the business day prior to the anniversary date, which fell on a weekend), resulting in the vesting and settlement of 16,694 shares of common stock, as shown in Table I.

F1 · derivative.expiration_date: As previously reported, on 8/25/14, the reporting person received a grant of 16,694 time-based restricted stock units that vest in their entirety on the fifth anniversary of the date of grant. The fifth anniversary occurred on 8/23/19 (the business day prior to the anniversary date, which fell on a weekend), resulting in the vesting and settlement of 16,694 shares of common stock, as shown in Table I.

F5 · derivative.underlying: Both time-based restricted stock units and performance-based restricted stock units are settled in shares of the Company's common stock upon vesting.

SEC source: 0001209191-19-047550 · doc4.xml · nonDerivative · entry 3

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 336,877

F4 · shares: Shares withheld for payment of taxes upon vesting of restricted stock units in accordance with Rule 16b-3.

SEC source: 0001209191-19-047550 · doc4.xml · nonDerivative · entry 2

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 365,763

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · security: On 8/25/14, the reporting person received a target grant of 33,390 performance-based restricted stock units, scheduled to vest on the fifth anniversary of the date of grant subject to the Company's attainment of specified performance goals and the level of achievement thereof. The performance goals were exceeded, and the award was certified at a payout of 56,713 units. The fifth anniversary occurred on 8/23/19 (the business day prior to the anniversary date, which fell on a weekend), resulting in the vesting and settlement of 56,713 shares of common stock, as shown in Table I.

F2 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001209191-19-047550 · doc4.xml · nonDerivative · entry 1

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 309,050

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: As previously reported, on 8/25/14, the reporting person received a grant of 16,694 time-based restricted stock units that vest in their entirety on the fifth anniversary of the date of grant. The fifth anniversary occurred on 8/23/19 (the business day prior to the anniversary date, which fell on a weekend), resulting in the vesting and settlement of 16,694 shares of common stock, as shown in Table I.

F2 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001209191-19-018643 · doc4.xml · derivative · entry 6

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 25,817 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: As previously reported, on March 10, 2016, the reporting person received a target grant of 61,177 performance-based restricted stock units that were subject to the Company's achievement of specified performance goals for the three year period that ended on December 31, 2018. The actual number of stock units that could vest ranged from 0% to 200% of the target unit amount. The performance goals were achieved in part, and 42.2% of the target grant was awarded; therefore, 25,817 restricted stock units vested on March 8, 2019 (the business day prior to the third anniversary of the date of grant, which fell on a weekend), resulting in the settlement of 25,817 shares of common stock, as shown in Table I.

F4 · derivative.exercise_date: As previously reported, on March 10, 2016, the reporting person received a target grant of 61,177 performance-based restricted stock units that were subject to the Company's achievement of specified performance goals for the three year period that ended on December 31, 2018. The actual number of stock units that could vest ranged from 0% to 200% of the target unit amount. The performance goals were achieved in part, and 42.2% of the target grant was awarded; therefore, 25,817 restricted stock units vested on March 8, 2019 (the business day prior to the third anniversary of the date of grant, which fell on a weekend), resulting in the settlement of 25,817 shares of common stock, as shown in Table I.

F4 · derivative.expiration_date: As previously reported, on March 10, 2016, the reporting person received a target grant of 61,177 performance-based restricted stock units that were subject to the Company's achievement of specified performance goals for the three year period that ended on December 31, 2018. The actual number of stock units that could vest ranged from 0% to 200% of the target unit amount. The performance goals were achieved in part, and 42.2% of the target grant was awarded; therefore, 25,817 restricted stock units vested on March 8, 2019 (the business day prior to the third anniversary of the date of grant, which fell on a weekend), resulting in the settlement of 25,817 shares of common stock, as shown in Table I.

F5 · derivative.underlying: Restricted stock units are settled in shares of the Company's common stock upon vesting.

SEC source: 0001209191-19-018643 · doc4.xml · derivative · entry 5

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 20,393 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: As previously reported, on March 10, 2016, the reporting person received a grant of 61,177 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on March 10, 2017, resulting in the settlement of 20,392 shares of common stock. The second vesting date occurred on March 9, 2018 (the business day prior to the anniversary date, which fell on a weekend), resulting in the settlement of 20,392 shares of common stock. The third vesting date occurred on March 8, 2019 (the business day prior to the anniversary date, which fell on a weekend), resulting in the settlement of the remaining 20,393 shares of common stock, as shown in Table I.

F1 · derivative.exercise_date: As previously reported, on March 10, 2016, the reporting person received a grant of 61,177 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on March 10, 2017, resulting in the settlement of 20,392 shares of common stock. The second vesting date occurred on March 9, 2018 (the business day prior to the anniversary date, which fell on a weekend), resulting in the settlement of 20,392 shares of common stock. The third vesting date occurred on March 8, 2019 (the business day prior to the anniversary date, which fell on a weekend), resulting in the settlement of the remaining 20,393 shares of common stock, as shown in Table I.

F1 · derivative.expiration_date: As previously reported, on March 10, 2016, the reporting person received a grant of 61,177 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on March 10, 2017, resulting in the settlement of 20,392 shares of common stock. The second vesting date occurred on March 9, 2018 (the business day prior to the anniversary date, which fell on a weekend), resulting in the settlement of 20,392 shares of common stock. The third vesting date occurred on March 8, 2019 (the business day prior to the anniversary date, which fell on a weekend), resulting in the settlement of the remaining 20,393 shares of common stock, as shown in Table I.

F5 · derivative.underlying: Restricted stock units are settled in shares of the Company's common stock upon vesting.

SEC source: 0001209191-19-018643 · doc4.xml · nonDerivative · entry 4

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 292,356

F3 · shares: Shares withheld for payment of taxes upon vesting of restricted stock units in accordance with Rule 16b-3.

SEC source: 0001209191-19-018643 · doc4.xml · nonDerivative · entry 3

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 302,515

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · security: As previously reported, on March 10, 2016, the reporting person received a target grant of 61,177 performance-based restricted stock units that were subject to the Company's achievement of specified performance goals for the three year period that ended on December 31, 2018. The actual number of stock units that could vest ranged from 0% to 200% of the target unit amount. The performance goals were achieved in part, and 42.2% of the target grant was awarded; therefore, 25,817 restricted stock units vested on March 8, 2019 (the business day prior to the third anniversary of the date of grant, which fell on a weekend), resulting in the settlement of 25,817 shares of common stock, as shown in Table I.

F2 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001209191-19-018643 · doc4.xml · nonDerivative · entry 2

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 276,698

F3 · shares: Shares withheld for payment of taxes upon vesting of restricted stock units in accordance with Rule 16b-3.

SEC source: 0001209191-19-018643 · doc4.xml · nonDerivative · entry 1

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 284,723

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: As previously reported, on March 10, 2016, the reporting person received a grant of 61,177 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on March 10, 2017, resulting in the settlement of 20,392 shares of common stock. The second vesting date occurred on March 9, 2018 (the business day prior to the anniversary date, which fell on a weekend), resulting in the settlement of 20,392 shares of common stock. The third vesting date occurred on March 8, 2019 (the business day prior to the anniversary date, which fell on a weekend), resulting in the settlement of the remaining 20,393 shares of common stock, as shown in Table I.

F2 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001209191-19-015942 · doc4.xml · derivative · entry 6

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,820

Underlying: Common Stock · 22,819 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: As previously reported, on March 1, 2017, the reporting person received a grant of 68,458 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on March 1, 2018, resulting in the vesting and settlement of 22,819 shares of common stock. The second anniversary occurred on March 1, 2019, resulting in the vesting and settlement of 22,819 shares of common stock, as shown in Table I. The remaining 22,820 restricted stock units are shown in Table II and are scheduled to vest on March 1, 2020.

F4 · derivative.exercise_date: As previously reported, on March 1, 2017, the reporting person received a grant of 68,458 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on March 1, 2018, resulting in the vesting and settlement of 22,819 shares of common stock. The second anniversary occurred on March 1, 2019, resulting in the vesting and settlement of 22,819 shares of common stock, as shown in Table I. The remaining 22,820 restricted stock units are shown in Table II and are scheduled to vest on March 1, 2020.

F4 · derivative.expiration_date: As previously reported, on March 1, 2017, the reporting person received a grant of 68,458 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on March 1, 2018, resulting in the vesting and settlement of 22,819 shares of common stock. The second anniversary occurred on March 1, 2019, resulting in the vesting and settlement of 22,819 shares of common stock, as shown in Table I. The remaining 22,820 restricted stock units are shown in Table II and are scheduled to vest on March 1, 2020.

F5 · derivative.underlying: Time-based restricted stock units are settled in shares of the Company's common stock upon vesting.

SEC source: 0001209191-19-015942 · doc4.xml · nonDerivative · entry 4

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 264,330

F3 · shares: Shares withheld for payment of taxes upon vesting of restricted stock units in accordance with Rule 16b-3.

SEC source: 0001209191-19-015942 · doc4.xml · nonDerivative · entry 3

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 271,274

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · security: As previously reported, on March 1, 2017, the reporting person received a grant of 68,458 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on March 1, 2018, resulting in the vesting and settlement of 22,819 shares of common stock. The second anniversary occurred on March 1, 2019, resulting in the vesting and settlement of 22,819 shares of common stock, as shown in Table I. The remaining 22,820 restricted stock units are shown in Table II and are scheduled to vest on March 1, 2020.

F2 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001209191-19-015942 · doc4.xml · derivative · entry 5

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,072

Underlying: Common Stock · 21,035 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: As previously reported, on February 28, 2018, the reporting person received a grant of 63,107 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on February 28, 2019, resulting in the vesting and settlement of 21,035 shares of common stock, as shown in Table I. The remaining 42,072 restricted stock units are shown in Table II, of which 21,036 are scheduled to vest on each of February 28, 2020 and February 28, 2021.

F1 · derivative.exercise_date: As previously reported, on February 28, 2018, the reporting person received a grant of 63,107 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on February 28, 2019, resulting in the vesting and settlement of 21,035 shares of common stock, as shown in Table I. The remaining 42,072 restricted stock units are shown in Table II, of which 21,036 are scheduled to vest on each of February 28, 2020 and February 28, 2021.

F1 · derivative.expiration_date: As previously reported, on February 28, 2018, the reporting person received a grant of 63,107 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on February 28, 2019, resulting in the vesting and settlement of 21,035 shares of common stock, as shown in Table I. The remaining 42,072 restricted stock units are shown in Table II, of which 21,036 are scheduled to vest on each of February 28, 2020 and February 28, 2021.

F5 · derivative.underlying: Time-based restricted stock units are settled in shares of the Company's common stock upon vesting.

SEC source: 0001209191-19-015942 · doc4.xml · nonDerivative · entry 2

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 248,455

F3 · shares: Shares withheld for payment of taxes upon vesting of restricted stock units in accordance with Rule 16b-3.

SEC source: 0001209191-19-015942 · doc4.xml · nonDerivative · entry 1

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 253,559

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: As previously reported, on February 28, 2018, the reporting person received a grant of 63,107 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on February 28, 2019, resulting in the vesting and settlement of 21,035 shares of common stock, as shown in Table I. The remaining 42,072 restricted stock units are shown in Table II, of which 21,036 are scheduled to vest on each of February 28, 2020 and February 28, 2021.

F2 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001209191-18-019393 · doc4.xml · derivative · entry 3

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,393

Underlying: Common Stock · 20,392 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: As previously reported, on March 10, 2016, the reporting person received a grant of 61,177 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on March 10, 2017, resulting in the vesting and settlement of 20,392 shares of common stock. The second vesting date occurred on March 9, 2018 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 20,392 shares of common stock, as shown in Table I. The remaining 20,393 restricted stock units are shown in Table II, which are scheduled to vest on March 10, 2019.

F1 · derivative.exercise_date: As previously reported, on March 10, 2016, the reporting person received a grant of 61,177 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on March 10, 2017, resulting in the vesting and settlement of 20,392 shares of common stock. The second vesting date occurred on March 9, 2018 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 20,392 shares of common stock, as shown in Table I. The remaining 20,393 restricted stock units are shown in Table II, which are scheduled to vest on March 10, 2019.

F1 · derivative.expiration_date: As previously reported, on March 10, 2016, the reporting person received a grant of 61,177 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on March 10, 2017, resulting in the vesting and settlement of 20,392 shares of common stock. The second vesting date occurred on March 9, 2018 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 20,392 shares of common stock, as shown in Table I. The remaining 20,393 restricted stock units are shown in Table II, which are scheduled to vest on March 10, 2019.

F4 · derivative.underlying: Restricted stock units are settled in shares of the Company's common stock upon vesting.

SEC source: 0001209191-18-019393 · doc4.xml · nonDerivative · entry 2

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 232,524

F3 · shares: Shares withheld for payment of taxes upon vesting of restricted stock units in accordance with Rule 16b-3.

SEC source: 0001209191-18-019393 · doc4.xml · nonDerivative · entry 1

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 240,549

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: As previously reported, on March 10, 2016, the reporting person received a grant of 61,177 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on March 10, 2017, resulting in the vesting and settlement of 20,392 shares of common stock. The second vesting date occurred on March 9, 2018 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 20,392 shares of common stock, as shown in Table I. The remaining 20,393 restricted stock units are shown in Table II, which are scheduled to vest on March 10, 2019.

F2 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001209191-18-016680 · doc4.xml · derivative · entry 3

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,639

Underlying: Common Stock · 22,819 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: As previously reported, on March 1, 2017, the reporting person received a grant of 68,458 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on March 1, 2018, resulting in the vesting and settlement of 22,819 shares of common stock, as shown in Table I. The remaining 45,639 restricted stock units are shown in Table II, of which 22,819 are scheduled to vest on March 1, 2019 and 22,820 are scheduled to vest on March 1, 2020.

F1 · derivative.exercise_date: As previously reported, on March 1, 2017, the reporting person received a grant of 68,458 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on March 1, 2018, resulting in the vesting and settlement of 22,819 shares of common stock, as shown in Table I. The remaining 45,639 restricted stock units are shown in Table II, of which 22,819 are scheduled to vest on March 1, 2019 and 22,820 are scheduled to vest on March 1, 2020.

F1 · derivative.expiration_date: As previously reported, on March 1, 2017, the reporting person received a grant of 68,458 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on March 1, 2018, resulting in the vesting and settlement of 22,819 shares of common stock, as shown in Table I. The remaining 45,639 restricted stock units are shown in Table II, of which 22,819 are scheduled to vest on March 1, 2019 and 22,820 are scheduled to vest on March 1, 2020.

F4 · derivative.underlying: Time-based restricted stock units are settled in shares of the Company's common stock upon vesting.

SEC source: 0001209191-18-016680 · doc4.xml · nonDerivative · entry 2

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 220,157

F3 · shares: Shares withheld for payment of taxes upon vesting of restricted stock units in accordance with Rule 16b-3.

SEC source: 0001209191-18-016680 · doc4.xml · nonDerivative · entry 1

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 227,587

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: As previously reported, on March 1, 2017, the reporting person received a grant of 68,458 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on March 1, 2018, resulting in the vesting and settlement of 22,819 shares of common stock, as shown in Table I. The remaining 45,639 restricted stock units are shown in Table II, of which 22,819 are scheduled to vest on March 1, 2019 and 22,820 are scheduled to vest on March 1, 2020.

F2 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001209191-18-015746 · doc4.xml · derivative · entry 2

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 147,226

Underlying: Common Stock · 147,226 shares

Expires 2028-02-28

F2 · derivative.exercise_date: These performance-based stock options vest on the third anniversary of the date of grant, subject to the satisfaction of a stock price performance condition requiring the Company's common stock price to close at or above $25.75 per share for any 20 consecutive trading days during the three-year period following the date of grant.

SEC source: 0001209191-18-015746 · doc4.xml · derivative · entry 1

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,107

Underlying: Common Stock · 63,107 shares

Expires not disclosed

F1 · derivative.exercise_price: These time-based restricted stock units vest in one-third increments on each of the first, second and third anniversaries of the date of grant. Restricted stock units are settled in shares of the Company's common stock upon vesting.

F1 · derivative.exercise_date: These time-based restricted stock units vest in one-third increments on each of the first, second and third anniversaries of the date of grant. Restricted stock units are settled in shares of the Company's common stock upon vesting.

F1 · derivative.expiration_date: These time-based restricted stock units vest in one-third increments on each of the first, second and third anniversaries of the date of grant. Restricted stock units are settled in shares of the Company's common stock upon vesting.

SEC source: 0001209191-18-014240 · doc4.xml · derivative · entry 6

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 21,054 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: On 2/25/15, the reporting person received a target grant of 38,352 performance-based RSUs that were subject to the Company's attainment of a specified one-year performance metric for the year then-ending 12/31/15. The actual number of stock units that could vest ranged from 0% to 200% of the target unit amount. The performance metric was exceeded & 164.7% of the target grant was awarded; therefore, these RSUs vest in 1/3 increments on each of the 1st, 2nd & 3rd anniversaries of the date of grant. The 1st anniversary occurred 2/25/16, resulting in the vesting & settlement of 21,056 shares of common stock. The 2nd vesting date occurred 2/24/17 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting & settlement of 21,056 shares of common stock. The 3rd vesting date occurred 2/23/18 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting & settlement of 21,054 shares of common stock as shown in Table I.

F4 · derivative.exercise_date: On 2/25/15, the reporting person received a target grant of 38,352 performance-based RSUs that were subject to the Company's attainment of a specified one-year performance metric for the year then-ending 12/31/15. The actual number of stock units that could vest ranged from 0% to 200% of the target unit amount. The performance metric was exceeded & 164.7% of the target grant was awarded; therefore, these RSUs vest in 1/3 increments on each of the 1st, 2nd & 3rd anniversaries of the date of grant. The 1st anniversary occurred 2/25/16, resulting in the vesting & settlement of 21,056 shares of common stock. The 2nd vesting date occurred 2/24/17 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting & settlement of 21,056 shares of common stock. The 3rd vesting date occurred 2/23/18 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting & settlement of 21,054 shares of common stock as shown in Table I.

F4 · derivative.expiration_date: On 2/25/15, the reporting person received a target grant of 38,352 performance-based RSUs that were subject to the Company's attainment of a specified one-year performance metric for the year then-ending 12/31/15. The actual number of stock units that could vest ranged from 0% to 200% of the target unit amount. The performance metric was exceeded & 164.7% of the target grant was awarded; therefore, these RSUs vest in 1/3 increments on each of the 1st, 2nd & 3rd anniversaries of the date of grant. The 1st anniversary occurred 2/25/16, resulting in the vesting & settlement of 21,056 shares of common stock. The 2nd vesting date occurred 2/24/17 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting & settlement of 21,056 shares of common stock. The 3rd vesting date occurred 2/23/18 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting & settlement of 21,054 shares of common stock as shown in Table I.

F5 · derivative.underlying: Both time-based restricted stock units and performance-based restricted stock units are settled in shares of the Company's common stock upon vesting.

SEC source: 0001209191-18-014240 · doc4.xml · derivative · entry 5

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 12,784 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: As previously reported, on February 25, 2015, the reporting person received a grant of 38,352 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on February 25, 2016, resulting in the vesting and settlement of 12,784 shares of common stock. The second vesting date occurred on February 24, 2017 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 12,784 shares of common stock. The third vesting date occurred on February 23, 2018 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 12,784 shares of common stock, as shown in Table I.

F1 · derivative.exercise_date: As previously reported, on February 25, 2015, the reporting person received a grant of 38,352 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on February 25, 2016, resulting in the vesting and settlement of 12,784 shares of common stock. The second vesting date occurred on February 24, 2017 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 12,784 shares of common stock. The third vesting date occurred on February 23, 2018 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 12,784 shares of common stock, as shown in Table I.

F1 · derivative.expiration_date: As previously reported, on February 25, 2015, the reporting person received a grant of 38,352 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on February 25, 2016, resulting in the vesting and settlement of 12,784 shares of common stock. The second vesting date occurred on February 24, 2017 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 12,784 shares of common stock. The third vesting date occurred on February 23, 2018 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 12,784 shares of common stock, as shown in Table I.

F5 · derivative.underlying: Both time-based restricted stock units and performance-based restricted stock units are settled in shares of the Company's common stock upon vesting.

SEC source: 0001209191-18-014240 · doc4.xml · nonDerivative · entry 4

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 204,768

F3 · shares: Shares withheld for payment of taxes upon vesting of restricted stock units in accordance with Rule 16b-3.

SEC source: 0001209191-18-014240 · doc4.xml · nonDerivative · entry 3

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 213,053

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · security: On 2/25/15, the reporting person received a target grant of 38,352 performance-based RSUs that were subject to the Company's attainment of a specified one-year performance metric for the year then-ending 12/31/15. The actual number of stock units that could vest ranged from 0% to 200% of the target unit amount. The performance metric was exceeded & 164.7% of the target grant was awarded; therefore, these RSUs vest in 1/3 increments on each of the 1st, 2nd & 3rd anniversaries of the date of grant. The 1st anniversary occurred 2/25/16, resulting in the vesting & settlement of 21,056 shares of common stock. The 2nd vesting date occurred 2/24/17 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting & settlement of 21,056 shares of common stock. The 3rd vesting date occurred 2/23/18 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting & settlement of 21,054 shares of common stock as shown in Table I.

F2 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001209191-18-014240 · doc4.xml · nonDerivative · entry 2

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 191,999

F3 · shares: Shares withheld for payment of taxes upon vesting of restricted stock units in accordance with Rule 16b-3.

SEC source: 0001209191-18-014240 · doc4.xml · nonDerivative · entry 1

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 197,003

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: As previously reported, on February 25, 2015, the reporting person received a grant of 38,352 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on February 25, 2016, resulting in the vesting and settlement of 12,784 shares of common stock. The second vesting date occurred on February 24, 2017 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 12,784 shares of common stock. The third vesting date occurred on February 23, 2018 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 12,784 shares of common stock, as shown in Table I.

F2 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001209191-17-020608 · doc4.xml · derivative · entry 3

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,785

Underlying: Common Stock · 20,392 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: As previously reported, on March 10, 2016, the reporting person received a grant of 61,177 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on March 10, 2017, resulting in the vesting and settlement of 20,392 shares of common stock, as shown in Table I. The remaining 40,785 restricted stock units are shown in Table II, of which 20,392 are scheduled to vest on March 10, 2018 and 20,393 are scheduled to vest on March 10, 2019.

F1 · derivative.exercise_date: As previously reported, on March 10, 2016, the reporting person received a grant of 61,177 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on March 10, 2017, resulting in the vesting and settlement of 20,392 shares of common stock, as shown in Table I. The remaining 40,785 restricted stock units are shown in Table II, of which 20,392 are scheduled to vest on March 10, 2018 and 20,393 are scheduled to vest on March 10, 2019.

F1 · derivative.expiration_date: As previously reported, on March 10, 2016, the reporting person received a grant of 61,177 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on March 10, 2017, resulting in the vesting and settlement of 20,392 shares of common stock, as shown in Table I. The remaining 40,785 restricted stock units are shown in Table II, of which 20,392 are scheduled to vest on March 10, 2018 and 20,393 are scheduled to vest on March 10, 2019.

F4 · derivative.underlying: Restricted stock units are settled in shares of the Company's common stock upon vesting.

SEC source: 0001209191-17-020608 · doc4.xml · nonDerivative · entry 2

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 184,219

F3 · shares: Shares withheld for payment of taxes upon vesting of restricted stock units in accordance with Rule 16b-3.

SEC source: 0001209191-17-020608 · doc4.xml · nonDerivative · entry 1

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 192,774

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: As previously reported, on March 10, 2016, the reporting person received a grant of 61,177 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on March 10, 2017, resulting in the vesting and settlement of 20,392 shares of common stock, as shown in Table I. The remaining 40,785 restricted stock units are shown in Table II, of which 20,392 are scheduled to vest on March 10, 2018 and 20,393 are scheduled to vest on March 10, 2019.

F2 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001209191-17-017925 · doc4.xml · derivative · entry 2

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 152,568

Underlying: Common Stock · 152,568 shares

Expires 2027-03-01

F2 · derivative.exercise_date: These performance-based stock options vest on the third anniversary of the date of grant, subject to the satisfaction of a stock price performance condition requiring the Company's common stock price to close at or above $23.74 per share for any 20 consecutive trading days during the three-year period following the date of grant.

SEC source: 0001209191-17-017925 · doc4.xml · derivative · entry 1

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,458

Underlying: Common Stock · 68,458 shares

Expires not disclosed

F1 · derivative.exercise_price: These time-based restricted stock units vest in one-third increments on each of the first, second and third anniversaries of the date of grant. Restricted stock units are settled in shares of the Company's common stock upon vesting.

F1 · derivative.exercise_date: These time-based restricted stock units vest in one-third increments on each of the first, second and third anniversaries of the date of grant. Restricted stock units are settled in shares of the Company's common stock upon vesting.

F1 · derivative.expiration_date: These time-based restricted stock units vest in one-third increments on each of the first, second and third anniversaries of the date of grant. Restricted stock units are settled in shares of the Company's common stock upon vesting.

SEC source: 0001209191-17-015530 · doc4.xml · derivative · entry 12

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 22,554 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_price: As previously reported, on Feb. 26, 2014, the reporting person received a target grant of 33,829 performance-based RSUs that were subject to the Company's attainment of a specified one-year performance metric for the year then-ending Dec. 31, 2014. The actual number of stock units that could vest ranged from 0% to 200% of the target unit amount. The performance metric was exceeded and 200% of the target grant was awarded; therefore, these RSUs vest in one-third increments on each of the 1st, 2nd and 3rd anniversaries of the date of grant. The 1st anniversary occurred on Feb. 26, 2015, resulting in the vesting & settlement of 22,552 shares of common stock. The 2nd anniversary occurred on Feb. 26, 2016, resulting in the vesting & settlement of 22,552 shares of common stock. The 3rd vesting date occurred on Feb. 24, 2017 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 22,554 shares of common stock, as shown in Table I.

F6 · derivative.exercise_date: As previously reported, on Feb. 26, 2014, the reporting person received a target grant of 33,829 performance-based RSUs that were subject to the Company's attainment of a specified one-year performance metric for the year then-ending Dec. 31, 2014. The actual number of stock units that could vest ranged from 0% to 200% of the target unit amount. The performance metric was exceeded and 200% of the target grant was awarded; therefore, these RSUs vest in one-third increments on each of the 1st, 2nd and 3rd anniversaries of the date of grant. The 1st anniversary occurred on Feb. 26, 2015, resulting in the vesting & settlement of 22,552 shares of common stock. The 2nd anniversary occurred on Feb. 26, 2016, resulting in the vesting & settlement of 22,552 shares of common stock. The 3rd vesting date occurred on Feb. 24, 2017 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 22,554 shares of common stock, as shown in Table I.

F6 · derivative.expiration_date: As previously reported, on Feb. 26, 2014, the reporting person received a target grant of 33,829 performance-based RSUs that were subject to the Company's attainment of a specified one-year performance metric for the year then-ending Dec. 31, 2014. The actual number of stock units that could vest ranged from 0% to 200% of the target unit amount. The performance metric was exceeded and 200% of the target grant was awarded; therefore, these RSUs vest in one-third increments on each of the 1st, 2nd and 3rd anniversaries of the date of grant. The 1st anniversary occurred on Feb. 26, 2015, resulting in the vesting & settlement of 22,552 shares of common stock. The 2nd anniversary occurred on Feb. 26, 2016, resulting in the vesting & settlement of 22,552 shares of common stock. The 3rd vesting date occurred on Feb. 24, 2017 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 22,554 shares of common stock, as shown in Table I.

F7 · derivative.underlying: Both time-based restricted stock units and performance-based restricted stock units are settled in shares of the Company's common stock upon vesting.

SEC source: 0001209191-17-015530 · doc4.xml · derivative · entry 11

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 11,277 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: As previously reported, on February 26, 2014, the reporting person received a grant of 33,829 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on February 26, 2015, resulting in the vesting and settlement of 11,276 shares of common stock. The second anniversary occurred on February 26, 2016, resulting in the vesting and settlement of 11,276 shares of common stock. The third vesting date occurred on February 24, 2017 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 11,277 shares of common stock, as shown in Table I.

F5 · derivative.exercise_date: As previously reported, on February 26, 2014, the reporting person received a grant of 33,829 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on February 26, 2015, resulting in the vesting and settlement of 11,276 shares of common stock. The second anniversary occurred on February 26, 2016, resulting in the vesting and settlement of 11,276 shares of common stock. The third vesting date occurred on February 24, 2017 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 11,277 shares of common stock, as shown in Table I.

F5 · derivative.expiration_date: As previously reported, on February 26, 2014, the reporting person received a grant of 33,829 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on February 26, 2015, resulting in the vesting and settlement of 11,276 shares of common stock. The second anniversary occurred on February 26, 2016, resulting in the vesting and settlement of 11,276 shares of common stock. The third vesting date occurred on February 24, 2017 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 11,277 shares of common stock, as shown in Table I.

F7 · derivative.underlying: Both time-based restricted stock units and performance-based restricted stock units are settled in shares of the Company's common stock upon vesting.

SEC source: 0001209191-17-015530 · doc4.xml · derivative · entry 10

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,054

Underlying: Common Stock · 21,056 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: As previously reported, on Feb. 25, 2015, the reporting person received a target grant of 38,352 performance-based RSUs that were subject to the Company's attainment of a specified one-year performance metric for the year then-ending December 31, 2015. The actual number of stock units that could vest ranged from 0% to 200% of the target unit amount. The performance metric was exceeded and 164.7% of the target grant was awarded; therefore, these RSUs vest in one-third increments on each of the 1st, 2nd and 3rd anniversaries of the date of grant. The 1st anniversary occurred on Feb. 25, 2016, resulting in the vesting and settlement of 21,056 shares of common stock. The 2nd vesting date occurred on Feb. 24, 2017 (the business day prior to the anniversary date, which fell on a weekend), resulting in the vesting and settlement of 21,056 shares of common stock, as shown in Table I. The remaining 21,054 performance RSUs are shown in Table II, which are scheduled to vest on Feb. 25, 2018.

F4 · derivative.exercise_date: As previously reported, on Feb. 25, 2015, the reporting person received a target grant of 38,352 performance-based RSUs that were subject to the Company's attainment of a specified one-year performance metric for the year then-ending December 31, 2015. The actual number of stock units that could vest ranged from 0% to 200% of the target unit amount. The performance metric was exceeded and 164.7% of the target grant was awarded; therefore, these RSUs vest in one-third increments on each of the 1st, 2nd and 3rd anniversaries of the date of grant. The 1st anniversary occurred on Feb. 25, 2016, resulting in the vesting and settlement of 21,056 shares of common stock. The 2nd vesting date occurred on Feb. 24, 2017 (the business day prior to the anniversary date, which fell on a weekend), resulting in the vesting and settlement of 21,056 shares of common stock, as shown in Table I. The remaining 21,054 performance RSUs are shown in Table II, which are scheduled to vest on Feb. 25, 2018.

F4 · derivative.expiration_date: As previously reported, on Feb. 25, 2015, the reporting person received a target grant of 38,352 performance-based RSUs that were subject to the Company's attainment of a specified one-year performance metric for the year then-ending December 31, 2015. The actual number of stock units that could vest ranged from 0% to 200% of the target unit amount. The performance metric was exceeded and 164.7% of the target grant was awarded; therefore, these RSUs vest in one-third increments on each of the 1st, 2nd and 3rd anniversaries of the date of grant. The 1st anniversary occurred on Feb. 25, 2016, resulting in the vesting and settlement of 21,056 shares of common stock. The 2nd vesting date occurred on Feb. 24, 2017 (the business day prior to the anniversary date, which fell on a weekend), resulting in the vesting and settlement of 21,056 shares of common stock, as shown in Table I. The remaining 21,054 performance RSUs are shown in Table II, which are scheduled to vest on Feb. 25, 2018.

F7 · derivative.underlying: Both time-based restricted stock units and performance-based restricted stock units are settled in shares of the Company's common stock upon vesting.

SEC source: 0001209191-17-015530 · doc4.xml · derivative · entry 9

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,784

Underlying: Common Stock · 12,784 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: As previously reported, on February 25, 2015, the reporting person received a grant of 38,352 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on February 25, 2016, resulting in the vesting and settlement of 12,784 shares of common stock. The second vesting date occurred on February 24, 2017 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 12,784 shares of common stock, as shown in Table I. The remaining 12,784 restricted stock units are shown in Table II, which are scheduled to vest on February 25, 2018.

F1 · derivative.exercise_date: As previously reported, on February 25, 2015, the reporting person received a grant of 38,352 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on February 25, 2016, resulting in the vesting and settlement of 12,784 shares of common stock. The second vesting date occurred on February 24, 2017 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 12,784 shares of common stock, as shown in Table I. The remaining 12,784 restricted stock units are shown in Table II, which are scheduled to vest on February 25, 2018.

F1 · derivative.expiration_date: As previously reported, on February 25, 2015, the reporting person received a grant of 38,352 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on February 25, 2016, resulting in the vesting and settlement of 12,784 shares of common stock. The second vesting date occurred on February 24, 2017 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 12,784 shares of common stock, as shown in Table I. The remaining 12,784 restricted stock units are shown in Table II, which are scheduled to vest on February 25, 2018.

F7 · derivative.underlying: Both time-based restricted stock units and performance-based restricted stock units are settled in shares of the Company's common stock upon vesting.

SEC source: 0001209191-17-015530 · doc4.xml · nonDerivative · entry 8

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 172,382

F3 · shares: Shares withheld for payment of taxes upon vesting of restricted stock units in accordance with Rule 16b-3.

SEC source: 0001209191-17-015530 · doc4.xml · nonDerivative · entry 7

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 178,551

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · security: As previously reported, on Feb. 26, 2014, the reporting person received a target grant of 33,829 performance-based RSUs that were subject to the Company's attainment of a specified one-year performance metric for the year then-ending Dec. 31, 2014. The actual number of stock units that could vest ranged from 0% to 200% of the target unit amount. The performance metric was exceeded and 200% of the target grant was awarded; therefore, these RSUs vest in one-third increments on each of the 1st, 2nd and 3rd anniversaries of the date of grant. The 1st anniversary occurred on Feb. 26, 2015, resulting in the vesting & settlement of 22,552 shares of common stock. The 2nd anniversary occurred on Feb. 26, 2016, resulting in the vesting & settlement of 22,552 shares of common stock. The 3rd vesting date occurred on Feb. 24, 2017 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 22,554 shares of common stock, as shown in Table I.

F2 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001209191-17-015530 · doc4.xml · nonDerivative · entry 6

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 155,997

F3 · shares: Shares withheld for payment of taxes upon vesting of restricted stock units in accordance with Rule 16b-3.

SEC source: 0001209191-17-015530 · doc4.xml · nonDerivative · entry 5

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 159,057

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · security: As previously reported, on February 26, 2014, the reporting person received a grant of 33,829 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on February 26, 2015, resulting in the vesting and settlement of 11,276 shares of common stock. The second anniversary occurred on February 26, 2016, resulting in the vesting and settlement of 11,276 shares of common stock. The third vesting date occurred on February 24, 2017 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 11,277 shares of common stock, as shown in Table I.

F2 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001209191-17-015530 · doc4.xml · nonDerivative · entry 4

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 147,780

F3 · shares: Shares withheld for payment of taxes upon vesting of restricted stock units in accordance with Rule 16b-3.

SEC source: 0001209191-17-015530 · doc4.xml · nonDerivative · entry 3

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 156,613

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · security: As previously reported, on Feb. 25, 2015, the reporting person received a target grant of 38,352 performance-based RSUs that were subject to the Company's attainment of a specified one-year performance metric for the year then-ending December 31, 2015. The actual number of stock units that could vest ranged from 0% to 200% of the target unit amount. The performance metric was exceeded and 164.7% of the target grant was awarded; therefore, these RSUs vest in one-third increments on each of the 1st, 2nd and 3rd anniversaries of the date of grant. The 1st anniversary occurred on Feb. 25, 2016, resulting in the vesting and settlement of 21,056 shares of common stock. The 2nd vesting date occurred on Feb. 24, 2017 (the business day prior to the anniversary date, which fell on a weekend), resulting in the vesting and settlement of 21,056 shares of common stock, as shown in Table I. The remaining 21,054 performance RSUs are shown in Table II, which are scheduled to vest on Feb. 25, 2018.

F2 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001209191-17-015530 · doc4.xml · nonDerivative · entry 2

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 135,557

F3 · shares: Shares withheld for payment of taxes upon vesting of restricted stock units in accordance with Rule 16b-3.

SEC source: 0001209191-17-015530 · doc4.xml · nonDerivative · entry 1

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 139,220

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: As previously reported, on February 25, 2015, the reporting person received a grant of 38,352 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on February 25, 2016, resulting in the vesting and settlement of 12,784 shares of common stock. The second vesting date occurred on February 24, 2017 (the business day prior to the anniversary date which fell on a weekend), resulting in the vesting and settlement of 12,784 shares of common stock, as shown in Table I. The remaining 12,784 restricted stock units are shown in Table II, which are scheduled to vest on February 25, 2018.

F2 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001209191-16-144652 · doc4.xml · nonDerivative · entry 2

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 126,436

F3 · shares: Shares withheld for payment of taxes upon vesting of restricted stock units in accordance with Rule 16b-3.

SEC source: 0001209191-16-144652 · doc4.xml · nonDerivative · entry 1

PITTS KEITH B · CIK 0001055066 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,887

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: As previously reported, on October 1, 2013, the reporting person received a grant of 60,431 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on October 1, 2014, resulting in the vesting and settlement of 20,143 shares of common stock. The second anniversary occurred on October 1, 2015, resulting in the vesting and settlement of 20,144 shares of common stock. The third vesting date occurred on September 30, 2016 (the business day prior to the anniversary date, which fell on a weekend), resulting in the vesting and settlement of 20,144 shares of common stock, as shown in Table I.

F2 · price: Restricted stock units convert into common stock on a one-for-one basis.