VAL

SEC source: 0000314808-18-000105 · wf-form4_152823185441083.xml · nonDerivative · entry 1

CLARK JAMES RODERICK · CIK 0001185146 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,591

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: 0000314808-18-000106 · wf-form4_152823197034740.xml · derivative · entry 8

Francis Mary · CIK 0001578636 · 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 $580.10 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 4,748 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: 0000314808-18-000106 · wf-form4_152823197034740.xml · derivative · entry 7

Francis Mary · CIK 0001578636 · 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 $379.90 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 3,110 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: 0000314808-18-000106 · wf-form4_152823197034740.xml · derivative · entry 6

Francis Mary · CIK 0001578636 · 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 $195.90 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 1,603 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: 0000314808-18-000106 · wf-form4_152823197034740.xml · derivative · entry 5

Francis Mary · CIK 0001578636 · 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: 0000314808-18-000106 · wf-form4_152823197034740.xml · nonDerivative · entry 4

Francis Mary · CIK 0001578636 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,406

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: 0000314808-18-000106 · wf-form4_152823197034740.xml · nonDerivative · entry 3

Francis Mary · CIK 0001578636 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,867

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 $580.10 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 4,748 shares were withheld and not issued to satisfy certain tax withholding obligations.

SEC source: 0000314808-18-000106 · wf-form4_152823197034740.xml · nonDerivative · entry 2

Francis Mary · CIK 0001578636 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,318

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 $379.90 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 3,110 shares were withheld and not issued to satisfy certain tax withholding obligations.

SEC source: 0000314808-18-000106 · wf-form4_152823197034740.xml · nonDerivative · entry 1

Francis Mary · CIK 0001578636 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,409

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 $195.90 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 1,603 shares were withheld and not issued to satisfy certain tax withholding obligations.

SEC source: 0000314808-18-000104 · wf-form4_152823176653443.xml · derivative · entry 8

GAUT C CHRISTOPHER · CIK 0001191238 · 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: 0000314808-18-000104 · wf-form4_152823176653443.xml · derivative · entry 7

GAUT C CHRISTOPHER · CIK 0001191238 · 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: 0000314808-18-000104 · wf-form4_152823176653443.xml · derivative · entry 6

GAUT C CHRISTOPHER · CIK 0001191238 · 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: 0000314808-18-000104 · wf-form4_152823176653443.xml · derivative · entry 5

GAUT C CHRISTOPHER · CIK 0001191238 · 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: 0000314808-18-000104 · wf-form4_152823176653443.xml · nonDerivative · entry 4

GAUT C CHRISTOPHER · CIK 0001191238 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,314

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: 0000314808-18-000104 · wf-form4_152823176653443.xml · nonDerivative · entry 3

GAUT C CHRISTOPHER · CIK 0001191238 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,735

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: 0000314808-18-000104 · wf-form4_152823176653443.xml · nonDerivative · entry 2

GAUT C CHRISTOPHER · CIK 0001191238 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,186

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: 0000314808-18-000104 · wf-form4_152823176653443.xml · nonDerivative · entry 1

GAUT C CHRISTOPHER · CIK 0001191238 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,277

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: 0000314808-18-000103 · wf-form4_152823152192301.xml · derivative · entry 7

HADDOCK GERALD W · CIK 0001198581 · 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 $1,054.90 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units.

F8 · 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.

F8 · 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: 0000314808-18-000103 · wf-form4_152823152192301.xml · derivative · entry 6

HADDOCK GERALD W · CIK 0001198581 · 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 $690.90 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units.

F7 · 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.

F7 · 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: 0000314808-18-000103 · wf-form4_152823152192301.xml · derivative · entry 5

HADDOCK GERALD W · CIK 0001198581 · 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 $356.20 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units.

F6 · 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.

F6 · 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: 0000314808-18-000103 · wf-form4_152823152192301.xml · derivative · entry 4

HADDOCK GERALD W · CIK 0001198581 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,396

Underlying: Class A Ordinary Shares · 30,396 shares

Expires not disclosed

F4 · 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.

F5 · 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.

F5 · 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: 0000314808-18-000103 · wf-form4_152823152192301.xml · nonDerivative · entry 3

HADDOCK GERALD W · CIK 0001198581 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,432

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 $1,054.90 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units.

SEC source: 0000314808-18-000103 · wf-form4_152823152192301.xml · nonDerivative · entry 2

HADDOCK GERALD W · CIK 0001198581 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,883

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 $690.90 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units.

SEC source: 0000314808-18-000103 · wf-form4_152823152192301.xml · nonDerivative · entry 1

HADDOCK GERALD W · CIK 0001198581 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,974

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 $356.20 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units.

SEC source: 0000314808-18-000102 · wf-form4_152823135077272.xml · derivative · entry 4

Golden Jack E · CIK 0001471594 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,866

Underlying: Class A Ordinary Shares · 7,933 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 $513.20 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 2,801 shares were withheld and not issued to satisfy certain tax withholding obligations.

F5 · derivative.exercise_date: On November 1, 2017, the reporting person was granted 23,799 restricted share units, vesting in three equal annual installments beginning on June 1, 2018.

F5 · derivative.expiration_date: On November 1, 2017, the reporting person was granted 23,799 restricted share units, vesting in three equal annual installments beginning on June 1, 2018.

SEC source: 0000314808-18-000102 · wf-form4_152823135077272.xml · derivative · entry 3

Golden Jack E · CIK 0001471594 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,396

Underlying: Class A Ordinary Shares · 30,396 shares

Expires not disclosed

F3 · 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.

F4 · 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.

F4 · 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: 0000314808-18-000102 · wf-form4_152823135077272.xml · nonDerivative · entry 2

Golden Jack E · CIK 0001471594 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,632

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: 0000314808-18-000102 · wf-form4_152823135077272.xml · nonDerivative · entry 1

Golden Jack E · CIK 0001471594 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,433

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 $513.20 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 2,801 shares were withheld and not issued to satisfy certain tax withholding obligations.

SEC source: 0000314808-18-000101 · wf-form4_152823109523540.xml · derivative · entry 17

Darby Tommy · CIK 0001719757 · Controller

10b5-1 filing: Not disclosed

Ownership: Indirect · Represents restricted share units held by an immediate family member

Disclosed balance after: 20,256

Underlying: Class A Ordinary Shares · 5,064 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: On June 1, 2017, an immediate family member of the reporting person was granted 25,320 restricted share units. Each Restricted Share Unit represents the economic equivalent of one Ensco Class A ordinary share and is settled in cash upon vesting. The Restricted Share Units vest in five equal annual installments beginning on the first anniversary of the grant date.

F5 · derivative.exercise_date: On June 1, 2017, an immediate family member of the reporting person was granted 25,320 restricted share units. Each Restricted Share Unit represents the economic equivalent of one Ensco Class A ordinary share and is settled in cash upon vesting. The Restricted Share Units vest in five equal annual installments beginning on the first anniversary of the grant date.

F5 · derivative.expiration_date: On June 1, 2017, an immediate family member of the reporting person was granted 25,320 restricted share units. Each Restricted Share Unit represents the economic equivalent of one Ensco Class A ordinary share and is settled in cash upon vesting. The Restricted Share Units vest in five equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000101 · wf-form4_152823109523540.xml · derivative · entry 16

Darby Tommy · CIK 0001719757 · Controller

10b5-1 filing: Not disclosed

Ownership: Indirect · Represents restricted share units held by an immediate family member

Disclosed balance after: 9,951

Underlying: Class A Ordinary Shares · 3,317 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 June 1, 2016, an immediate family member of the reporting person was granted 16,585 restricted share units. Each Restricted Share Unit represents the economic equivalent of one Ensco Class A ordinary share and is settled in cash upon vesting. The Restricted Share Units vest in five equal annual installments beginning on the first anniversary of the grant date.

F4 · derivative.exercise_date: On June 1, 2016, an immediate family member of the reporting person was granted 16,585 restricted share units. Each Restricted Share Unit represents the economic equivalent of one Ensco Class A ordinary share and is settled in cash upon vesting. The Restricted Share Units vest in five equal annual installments beginning on the first anniversary of the grant date.

F4 · derivative.expiration_date: On June 1, 2016, an immediate family member of the reporting person was granted 16,585 restricted share units. Each Restricted Share Unit represents the economic equivalent of one Ensco Class A ordinary share and is settled in cash upon vesting. The Restricted Share Units vest in five equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000101 · wf-form4_152823109523540.xml · derivative · entry 15

Darby Tommy · CIK 0001719757 · Controller

10b5-1 filing: Not disclosed

Ownership: Indirect · Represents restricted share units held by an immediate family member

Disclosed balance after: 24,320

Underlying: Class A Ordinary Shares · 24,320 shares

Expires not disclosed

F6 · derivative.exercise_price: The Restricted Share Units vest in five equal annual installments beginning on the first anniversary of the grant date.

F8 · derivative.exercise_date: On June 1, 2018, an immediate family member of the reporting person was granted 24,320 restricted share units, vesting in five equal annual installments beginning on the first anniversary of the grant date.

F8 · derivative.expiration_date: On June 1, 2018, an immediate family member of the reporting person was granted 24,320 restricted share units, vesting in five equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000101 · wf-form4_152823109523540.xml · derivative · entry 14

Darby Tommy · CIK 0001719757 · Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,476

Underlying: Class A Ordinary Shares · 6,369 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 June 1, 2017, the reporting person was granted 31,845 restricted share units. Each Restricted Share Unit represents the economic equivalent of one Ensco Class A ordinary share and is settled in cash upon vesting. The Restricted Share Units vest in five equal annual installments beginning on the first anniversary of the grant date.

F3 · derivative.exercise_date: On June 1, 2017, the reporting person was granted 31,845 restricted share units. Each Restricted Share Unit represents the economic equivalent of one Ensco Class A ordinary share and is settled in cash upon vesting. The Restricted Share Units vest in five equal annual installments beginning on the first anniversary of the grant date.

F3 · derivative.expiration_date: On June 1, 2017, the reporting person was granted 31,845 restricted share units. Each Restricted Share Unit represents the economic equivalent of one Ensco Class A ordinary share and is settled in cash upon vesting. The Restricted Share Units vest in five equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000101 · wf-form4_152823109523540.xml · derivative · entry 13

Darby Tommy · CIK 0001719757 · Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,881

Underlying: Class A Ordinary Shares · 3,627 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: On June 1, 2016, the reporting person was granted 18,135 restricted share units. Each Restricted Share Unit represents the economic equivalent of one Ensco Class A ordinary share and is settled in cash upon vesting. The Restricted Share Units vest in five equal annual installments beginning on the first anniversary of the grant date.

F2 · derivative.exercise_date: On June 1, 2016, the reporting person was granted 18,135 restricted share units. Each Restricted Share Unit represents the economic equivalent of one Ensco Class A ordinary share and is settled in cash upon vesting. The Restricted Share Units vest in five equal annual installments beginning on the first anniversary of the grant date.

F2 · derivative.expiration_date: On June 1, 2016, the reporting person was granted 18,135 restricted share units. Each Restricted Share Unit represents the economic equivalent of one Ensco Class A ordinary share and is settled in cash upon vesting. The Restricted Share Units vest in five equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000101 · wf-form4_152823109523540.xml · derivative · entry 12

Darby Tommy · CIK 0001719757 · Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,245

Underlying: Class A Ordinary Shares · 33,245 shares

Expires not disclosed

F6 · derivative.exercise_price: The Restricted Share Units vest in five equal annual installments beginning on the first anniversary of the grant date.

F7 · derivative.exercise_date: On June 1, 2018, the reporting person was granted 33,245 restricted share units, vesting in five equal annual installments beginning on the first anniversary of the grant date.

F7 · derivative.expiration_date: On June 1, 2018, the reporting person was granted 33,245 restricted share units, vesting in five equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000101 · wf-form4_152823109523540.xml · nonDerivative · entry 9

Darby Tommy · CIK 0001719757 · Controller

10b5-1 filing: Not disclosed

Ownership: Indirect · Represents shares held by an immediate family member

Disclosed balance after: 17,205

SEC source: 0000314808-18-000101 · wf-form4_152823109523540.xml · nonDerivative · entry 8

Darby Tommy · CIK 0001719757 · Controller

10b5-1 filing: Not disclosed

Ownership: Indirect · Represents shares held by an immediate family member

Disclosed balance after: 22,269

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 · price: On June 1, 2017, an immediate family member of the reporting person was granted 25,320 restricted share units. Each Restricted Share Unit represents the economic equivalent of one Ensco Class A ordinary share and is settled in cash upon vesting. The Restricted Share Units vest in five equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000101 · wf-form4_152823109523540.xml · nonDerivative · entry 7

Darby Tommy · CIK 0001719757 · Controller

10b5-1 filing: Not disclosed

Ownership: Indirect · Represents shares held by an immediate family member

Disclosed balance after: 17,205

SEC source: 0000314808-18-000101 · wf-form4_152823109523540.xml · nonDerivative · entry 6

Darby Tommy · CIK 0001719757 · Controller

10b5-1 filing: Not disclosed

Ownership: Indirect · Represents shares held by an immediate family member

Disclosed balance after: 20,522

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 · price: On June 1, 2016, an immediate family member of the reporting person was granted 16,585 restricted share units. Each Restricted Share Unit represents the economic equivalent of one Ensco Class A ordinary share and is settled in cash upon vesting. The Restricted Share Units vest in five equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000101 · wf-form4_152823109523540.xml · nonDerivative · entry 5

Darby Tommy · CIK 0001719757 · Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,605

SEC source: 0000314808-18-000101 · wf-form4_152823109523540.xml · nonDerivative · entry 4

Darby Tommy · CIK 0001719757 · Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,974

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: On June 1, 2017, the reporting person was granted 31,845 restricted share units. Each Restricted Share Unit represents the economic equivalent of one Ensco Class A ordinary share and is settled in cash upon vesting. The Restricted Share Units vest in five equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000101 · wf-form4_152823109523540.xml · nonDerivative · entry 3

Darby Tommy · CIK 0001719757 · Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,605

SEC source: 0000314808-18-000101 · wf-form4_152823109523540.xml · nonDerivative · entry 2

Darby Tommy · CIK 0001719757 · Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,232

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: On June 1, 2016, the reporting person was granted 18,135 restricted share units. Each Restricted Share Unit represents the economic equivalent of one Ensco Class A ordinary share and is settled in cash upon vesting. The Restricted Share Units vest in five equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000314808-18-000101 · wf-form4_152823109523540.xml · nonDerivative · entry 1

Darby Tommy · CIK 0001719757 · Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,605

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: 0000314808-18-000100 · wf-form4_152823102273000.xml · derivative · entry 4

WEDEMEYER PHIL D · CIK 0001229159 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,866

Underlying: Class A Ordinary Shares · 7,933 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 $552.90 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 2,404 shares were withheld and not issued to satisfy certain tax withholding obligations.

F5 · derivative.exercise_date: On November 1, 2017, the reporting person was granted 23,799 restricted share units, vesting in three equal annual installments beginning on June 1, 2018.

F5 · derivative.expiration_date: On November 1, 2017, the reporting person was granted 23,799 restricted share units, vesting in three equal annual installments beginning on June 1, 2018.

SEC source: 0000314808-18-000100 · wf-form4_152823102273000.xml · derivative · entry 3

WEDEMEYER PHIL D · CIK 0001229159 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,396

Underlying: Class A Ordinary Shares · 30,396 shares

Expires not disclosed

F3 · 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.

F4 · 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.

F4 · 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: 0000314808-18-000100 · wf-form4_152823102273000.xml · nonDerivative · entry 2

WEDEMEYER PHIL D · CIK 0001229159 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,552

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: 0000314808-18-000100 · wf-form4_152823102273000.xml · nonDerivative · entry 1

WEDEMEYER PHIL D · CIK 0001229159 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,956

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 $552.90 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 2,404 shares were withheld and not issued to satisfy certain tax withholding obligations.

SEC source: 0000314808-18-000099 · wf-form4_152823077958948.xml · derivative · entry 8

ROWSEY PAUL E III · CIK 0001184169 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,010

Underlying: Class A Ordinary Shares · 14,505 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 $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.

F9 · derivative.exercise_date: On June 1, 2017, the reporting person was granted 43,515 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 43,515 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 · derivative · entry 7

ROWSEY PAUL E III · CIK 0001184169 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,500

Underlying: Class A Ordinary Shares · 9,500 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 $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.

F8 · derivative.exercise_date: On June 1, 2016, the reporting person was granted 28,500 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 28,500 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 · derivative · entry 6

ROWSEY PAUL E III · CIK 0001184169 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Ordinary Shares · 4,630 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 $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.

F7 · derivative.exercise_date: On June 1, 2015, the reporting person was granted 13,890 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 13,890 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.