VAL

SEC source: 0000314808-18-000099 · wf-form4_152823077958948.xml · derivative · entry 5

ROWSEY PAUL E III · CIK 0001184169 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,796

Underlying: Class A Ordinary Shares · 41,796 shares

Expires not disclosed

F5 · derivative.exercise_price: Upon the vesting of our restricted share units, the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued, in accordance with U.K. corporate law.

F6 · derivative.exercise_date: On June 1, 2018, the reporting person was granted 41,796 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

F6 · derivative.expiration_date: On June 1, 2018, the reporting person was granted 41,796 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000099 · wf-form4_152823077958948.xml · nonDerivative · entry 4

ROWSEY PAUL E III · CIK 0001184169 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 88,354

F4 · shares: These shares were withheld upon vesting to enable the reporting person to satisfy tax withholding obligations that arose upon such vesting, which will be paid by the issuer to the appropriate taxing authority in cash.

SEC source: 0000314808-18-000099 · wf-form4_152823077958948.xml · nonDerivative · entry 3

ROWSEY PAUL E III · CIK 0001184169 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,305

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 · price: The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $1,301.00 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 1,495 shares were withheld and not issued to satisfy certain tax withholding obligations.

SEC source: 0000314808-18-000099 · wf-form4_152823077958948.xml · nonDerivative · entry 2

ROWSEY PAUL E III · CIK 0001184169 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,800

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.

F2 · price: The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $852.10 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 979 shares were withheld and not issued to satisfy certain tax withholding obligations.

SEC source: 0000314808-18-000099 · wf-form4_152823077958948.xml · nonDerivative · entry 1

ROWSEY PAUL E III · CIK 0001184169 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,300

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 · price: The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $415.30 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 477 shares were withheld and not issued to satisfy certain tax withholding obligations.

SEC source: 0000314808-18-000098 · wf-form4_152823042654341.xml · derivative · entry 9

RATTIE KEITH O · CIK 0001180568 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,098

Underlying: Class A Ordinary Shares · 10,549 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: The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $577.00 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 4,779 shares were withheld and not issued to satisfy certain tax withholding obligations.

F9 · derivative.exercise_date: On June 1, 2017, the reporting person was granted 31,647 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

F9 · derivative.expiration_date: On June 1, 2017, the reporting person was granted 31,647 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000098 · wf-form4_152823042654341.xml · derivative · entry 8

RATTIE KEITH O · CIK 0001180568 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,909

Underlying: Class A Ordinary Shares · 6,909 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.

F2 · derivative.exercise_price: The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $377.90 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 3,130 shares were withheld and not issued to satisfy certain tax withholding obligations.

F8 · derivative.exercise_date: On June 1, 2016, the reporting person was granted 20,727 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

F8 · derivative.expiration_date: On June 1, 2016, the reporting person was granted 20,727 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000098 · wf-form4_152823042654341.xml · derivative · entry 7

RATTIE KEITH O · CIK 0001180568 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Ordinary Shares · 3,562 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: The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $194.80 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 1,614 shares were withheld and not issued to satisfy certain tax withholding obligations.

F7 · derivative.exercise_date: On June 1, 2015, the reporting person was granted 10,686 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

F7 · derivative.expiration_date: On June 1, 2015, the reporting person was granted 10,686 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000098 · wf-form4_152823042654341.xml · derivative · entry 6

RATTIE KEITH O · CIK 0001180568 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,396

Underlying: Class A Ordinary Shares · 30,396 shares

Expires not disclosed

F5 · derivative.exercise_price: Upon the vesting of our restricted share units, the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued, in accordance with U.K. corporate law.

F6 · derivative.exercise_date: On June 1, 2018, the reporting person was granted 30,396 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

F6 · derivative.expiration_date: On June 1, 2018, the reporting person was granted 30,396 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000098 · wf-form4_152823042654341.xml · nonDerivative · entry 4

RATTIE KEITH O · CIK 0001180568 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,978

F4 · shares: These shares were withheld upon vesting to enable the reporting person to satisfy tax withholding obligations that arose upon such vesting, which will be paid by the issuer to the appropriate taxing authority in cash.

SEC source: 0000314808-18-000098 · wf-form4_152823042654341.xml · nonDerivative · entry 3

RATTIE KEITH O · CIK 0001180568 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,501

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 · price: The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $577.00 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 4,779 shares were withheld and not issued to satisfy certain tax withholding obligations.

SEC source: 0000314808-18-000098 · wf-form4_152823042654341.xml · nonDerivative · entry 2

RATTIE KEITH O · CIK 0001180568 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,952

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.

F2 · price: The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $377.90 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 3,130 shares were withheld and not issued to satisfy certain tax withholding obligations.

SEC source: 0000314808-18-000098 · wf-form4_152823042654341.xml · nonDerivative · entry 1

RATTIE KEITH O · CIK 0001180568 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,043

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 · price: The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $194.80 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 1,614 shares were withheld and not issued to satisfy certain tax withholding obligations.

SEC source: 0000314808-18-000097 · wf-form4_152823029378071.xml · derivative · entry 9

KALMAN FRANCIS S · CIK 0001199541 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,098

Underlying: Class A Ordinary Shares · 10,549 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: The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $946.20 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 1,087 shares were withheld and not issued to satisfy certain tax withholding obligations.

F9 · derivative.exercise_date: On June 1, 2017, the reporting person was granted 31,647 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

F9 · derivative.expiration_date: On June 1, 2017, the reporting person was granted 31,647 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000097 · wf-form4_152823029378071.xml · derivative · entry 8

KALMAN FRANCIS S · CIK 0001199541 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,909

Underlying: Class A Ordinary Shares · 6,909 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.

F2 · derivative.exercise_price: The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $619.70 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 712 shares were withheld and not issued to satisfy certain tax withholding obligations.

F8 · derivative.exercise_date: On June 1, 2016, the reporting person was granted 20,727 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

F8 · derivative.expiration_date: On June 1, 2016, the reporting person was granted 20,727 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000097 · wf-form4_152823029378071.xml · derivative · entry 7

KALMAN FRANCIS S · CIK 0001199541 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Ordinary Shares · 3,562 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: The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $319.50 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 367 shares were withheld and not issued to satisfy certain tax withholding obligations.

F7 · derivative.exercise_date: On June 1, 2015, the reporting person was granted 10,686 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

F7 · derivative.expiration_date: On June 1, 2015, the reporting person was granted 10,686 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000097 · wf-form4_152823029378071.xml · derivative · entry 6

KALMAN FRANCIS S · CIK 0001199541 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,396

Underlying: Class A Ordinary Shares · 30,396 shares

Expires not disclosed

F5 · derivative.exercise_price: Upon the vesting of our restricted share units, the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued, in accordance with U.K. corporate law.

F6 · derivative.exercise_date: On June 1, 2018, the reporting person was granted 30,396 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

F6 · derivative.expiration_date: On June 1, 2018, the reporting person was granted 30,396 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000097 · wf-form4_152823029378071.xml · nonDerivative · entry 4

KALMAN FRANCIS S · CIK 0001199541 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,138

F4 · shares: These shares were withheld upon vesting to enable the reporting person to satisfy tax withholding obligations that arose upon such vesting, which will be paid by the issuer to the appropriate taxing authority in cash.

SEC source: 0000314808-18-000097 · wf-form4_152823029378071.xml · nonDerivative · entry 3

KALMAN FRANCIS S · CIK 0001199541 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,304

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 · price: The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $946.20 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 1,087 shares were withheld and not issued to satisfy certain tax withholding obligations.

SEC source: 0000314808-18-000097 · wf-form4_152823029378071.xml · nonDerivative · entry 2

KALMAN FRANCIS S · CIK 0001199541 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,755

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.

F2 · price: The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $619.70 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 712 shares were withheld and not issued to satisfy certain tax withholding obligations.

SEC source: 0000314808-18-000097 · wf-form4_152823029378071.xml · nonDerivative · entry 1

KALMAN FRANCIS S · CIK 0001199541 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,846

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 · price: The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $319.50 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 367 shares were withheld and not issued to satisfy certain tax withholding obligations.

SEC source: 0000314808-18-000096 · wf-form4_152823016251214.xml · derivative · entry 8

DECYK ROXANNE J · CIK 0001245819 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,098

Underlying: Class A Ordinary Shares · 10,549 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: The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $682.50 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 3,724 shares were withheld and not issued to satisfy certain tax withholding obligations.

F9 · derivative.exercise_date: On June 1, 2017, the reporting person was granted 31,647 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

F9 · derivative.expiration_date: On June 1, 2017, the reporting person was granted 31,647 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000096 · wf-form4_152823016251214.xml · derivative · entry 7

DECYK ROXANNE J · CIK 0001245819 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,909

Underlying: Class A Ordinary Shares · 6,909 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.

F2 · derivative.exercise_price: The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $447.00 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 2,439 shares were withheld and not issued to satisfy certain tax withholding obligations.

F8 · derivative.exercise_date: On June 1, 2016, the reporting person was granted 20,727 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

F8 · derivative.expiration_date: On June 1, 2016, the reporting person was granted 20,727 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000096 · wf-form4_152823016251214.xml · derivative · entry 6

DECYK ROXANNE J · CIK 0001245819 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Ordinary Shares · 3,562 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: The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $230.40 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 1,258 shares were withheld and not issued to satisfy certain tax withholding obligations.

F7 · derivative.exercise_date: On June 1, 2015, the reporting person was granted 10,686 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

F7 · derivative.expiration_date: On June 1, 2015, the reporting person was granted 10,686 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000096 · wf-form4_152823016251214.xml · derivative · entry 5

DECYK ROXANNE J · CIK 0001245819 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,396

Underlying: Class A Ordinary Shares · 30,396 shares

Expires not disclosed

F5 · derivative.exercise_price: Upon the vesting of our restricted share units, the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued, in accordance with U.K. corporate law.

F6 · derivative.exercise_date: On June 1, 2018, the reporting person was granted 30,396 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

F6 · derivative.expiration_date: On June 1, 2018, the reporting person was granted 30,396 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000096 · wf-form4_152823016251214.xml · nonDerivative · entry 4

DECYK ROXANNE J · CIK 0001245819 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,992

F4 · shares: These shares were withheld upon vesting to enable the reporting person to satisfy tax withholding obligations that arose upon such vesting, which will be paid by the issuer to the appropriate taxing authority in cash.

SEC source: 0000314808-18-000096 · wf-form4_152823016251214.xml · nonDerivative · entry 3

DECYK ROXANNE J · CIK 0001245819 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,413

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 · price: The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $682.50 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 3,724 shares were withheld and not issued to satisfy certain tax withholding obligations.

SEC source: 0000314808-18-000096 · wf-form4_152823016251214.xml · nonDerivative · entry 2

DECYK ROXANNE J · CIK 0001245819 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,864

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.

F2 · price: The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $447.00 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 2,439 shares were withheld and not issued to satisfy certain tax withholding obligations.

SEC source: 0000314808-18-000096 · wf-form4_152823016251214.xml · nonDerivative · entry 1

DECYK ROXANNE J · CIK 0001245819 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,955

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 · price: The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $230.40 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 1,258 shares were withheld and not issued to satisfy certain tax withholding obligations.

SEC source: 0000314808-18-000076 · wf-form4_152537948449960.xml · nonDerivative · entry 1

Lowe Patrick Carey · CIK 0001443266 · EVP & Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 551,868

F1 · shares: These shares were withheld upon vesting to enable the reporting person to satisfy tax withholding obligations that arose upon such vesting, which will be paid by the issuer to the appropriate taxing authority in cash.

SEC source: 0000314808-18-000049 · wf-form4_152046067198184.xml · nonDerivative · entry 4

Lowe Patrick Carey · CIK 0001443266 · EVP & Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 560,185

F3 · shares: These shares were withheld upon vesting to enable the reporting person to satisfy tax withholding obligations that arose upon such vesting, which will be paid by the issuer to the appropriate taxing authority in cash.

SEC source: 0000314808-18-000048 · wf-form4_152046058493882.xml · nonDerivative · entry 4

Luca Gilles · CIK 0001626810 · Sr. VP - Western Hemisphere

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 330,942

F3 · shares: These shares were withheld upon vesting to enable the reporting person to satisfy tax withholding obligations that arose upon such vesting, which will be paid by the issuer to the appropriate taxing authority in cash.

SEC source: 0000314808-18-000047 · wf-form4_152046056068185.xml · nonDerivative · entry 4

Trowell Carl · CIK 0001608903 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,061,666

F3 · shares: These shares were withheld upon vesting to enable the reporting person to satisfy tax withholding obligations that arose upon such vesting, which will be paid by the issuer to the appropriate taxing authority in cash.

SEC source: 0000314808-18-000045 · wf-form4_152046051800714.xml · nonDerivative · entry 4

Brady Steven Joseph · CIK 0001557052 · Sr. VP - Eastern Hemisphere

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 319,364

F3 · shares: These shares were withheld upon vesting to enable the reporting person to satisfy tax withholding obligations that arose upon such vesting, which will be paid by the issuer to the appropriate taxing authority in cash.

SEC source: 0000314808-18-000046 · wf-form4_152046054289212.xml · derivative · entry 4

McGuinty Michael · CIK 0001666008 · SVP-General Counsel/Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,538

Underlying: Class A Ordinary Shares · 20,769 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: Upon the vesting of our restricted share units, the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued, in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $1,100.70 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 9,762 shares were withheld and not issued to satisfy certain tax withholding obligations.

F5 · derivative.exercise_date: On March 6, 2017, the reporting person was granted 62,307 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

F5 · derivative.expiration_date: On March 6, 2017, the reporting person was granted 62,307 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000046 · wf-form4_152046054289212.xml · nonDerivative · entry 2

McGuinty Michael · CIK 0001666008 · SVP-General Counsel/Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,395

F2 · shares: These shares were withheld upon vesting to enable the reporting person to satisfy tax withholding obligations that arose upon such vesting, which will be paid by the issuer to the appropriate taxing authority in cash.

SEC source: 0000314808-18-000046 · wf-form4_152046054289212.xml · nonDerivative · entry 1

McGuinty Michael · CIK 0001666008 · SVP-General Counsel/Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,157

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 · price: Upon the vesting of our restricted share units, the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued, in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $1,100.70 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 9,762 shares were withheld and not issued to satisfy certain tax withholding obligations.

SEC source: 0000314808-18-000044 · wf-form4_152046049972206.xml · derivative · entry 4

Baksht Jonathan · CIK 0001658406 · Senior Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,730

Underlying: Class A Ordinary Shares · 23,365 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: Upon the vesting of our restricted share units, the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued, in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $1,362.40 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 9,741 shares were withheld and not issued to satisfy certain tax withholding obligations.

F5 · derivative.exercise_date: On March 6, 2017, the reporting person was granted 70,095 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

F5 · derivative.expiration_date: On March 6, 2017, the reporting person was granted 70,095 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000044 · wf-form4_152046049972206.xml · nonDerivative · entry 2

Baksht Jonathan · CIK 0001658406 · Senior Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,370

F2 · shares: These shares were withheld upon vesting to enable the reporting person to satisfy tax withholding obligations that arose upon such vesting, which will be paid by the issuer to the appropriate taxing authority in cash.

SEC source: 0000314808-18-000044 · wf-form4_152046049972206.xml · nonDerivative · entry 1

Baksht Jonathan · CIK 0001658406 · Senior Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 96,111

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 · price: Upon the vesting of our restricted share units, the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued, in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $1,362.40 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 9,741 shares were withheld and not issued to satisfy certain tax withholding obligations.

SEC source: 0000314808-18-000043 · wf-form4_152046048314235.xml · nonDerivative · entry 4

Knowlton John Stokes · CIK 0001495170 · Sr. Vice President - Technical

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 273,308

F3 · shares: These shares were withheld upon vesting to enable the reporting person to satisfy tax withholding obligations that arose upon such vesting, which will be paid by the issuer to the appropriate taxing authority in cash.

SEC source: 0000314808-18-000049 · wf-form4_152046067198184.xml · nonDerivative · entry 3

Lowe Patrick Carey · CIK 0001443266 · EVP & Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 576,455

F3 · shares: These shares were withheld upon vesting to enable the reporting person to satisfy tax withholding obligations that arose upon such vesting, which will be paid by the issuer to the appropriate taxing authority in cash.

SEC source: 0000314808-18-000049 · wf-form4_152046067198184.xml · nonDerivative · entry 2

Lowe Patrick Carey · CIK 0001443266 · EVP & Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 582,823

F2 · shares: Shares earned under performance unit awards for 2015-2017 performance period.

SEC source: 0000314808-18-000049 · wf-form4_152046067198184.xml · nonDerivative · entry 1

Lowe Patrick Carey · CIK 0001443266 · EVP & Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 565,614

F1 · shares: On March 5, 2018, the reporting person was granted 214,134 restricted shares, vesting in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000048 · wf-form4_152046058493882.xml · nonDerivative · entry 3

Luca Gilles · CIK 0001626810 · Sr. VP - Western Hemisphere

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 336,083

F3 · shares: These shares were withheld upon vesting to enable the reporting person to satisfy tax withholding obligations that arose upon such vesting, which will be paid by the issuer to the appropriate taxing authority in cash.

SEC source: 0000314808-18-000048 · wf-form4_152046058493882.xml · nonDerivative · entry 2

Luca Gilles · CIK 0001626810 · Sr. VP - Western Hemisphere

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 338,756

F2 · shares: Shares earned under performance unit awards for 2015-2017 performance period.

SEC source: 0000314808-18-000048 · wf-form4_152046058493882.xml · nonDerivative · entry 1

Luca Gilles · CIK 0001626810 · Sr. VP - Western Hemisphere

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 326,609

F1 · shares: On March 5, 2018, the reporting person was granted 144,540 restricted shares, vesting in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000047 · wf-form4_152046056068185.xml · nonDerivative · entry 3

Trowell Carl · CIK 0001608903 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,102,338

F3 · shares: These shares were withheld upon vesting to enable the reporting person to satisfy tax withholding obligations that arose upon such vesting, which will be paid by the issuer to the appropriate taxing authority in cash.

SEC source: 0000314808-18-000047 · wf-form4_152046056068185.xml · nonDerivative · entry 2

Trowell Carl · CIK 0001608903 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,126,126

F2 · shares: Shares earned under performance unit awards for 2015-2017 performance period.

SEC source: 0000314808-18-000047 · wf-form4_152046056068185.xml · nonDerivative · entry 1

Trowell Carl · CIK 0001608903 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,075,515

F1 · shares: On March 5, 2018, the reporting person was granted 535,332 restricted shares, vesting in three equal annual installments beginning on the first anniversary of the grant date.