THM

SEC source: 0001123292-17-001665 · edgar.xml · derivative · entry 1

HAMILTON MARK R · CIK 0001188778 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,687

Underlying: Common Stock · 129,687 shares

Expires not disclosed

F1 · derivative.exercise_price: The exercise price was converted from CAD0.64 to USD0.51, based on the October 23, 2017 exchange rate as quoted by the Bank of Canada. The exercise price is the actual Canadian dollar amount regardless of the exchange rate on the date of exercise.

F2 · derivative.exercise_date: The reported deferred stock units vested in full on the date of grant and the Reporting Person will receive the shares underlying the deferred stock units upon the Reporting Person's end of service as a Director.

F2 · derivative.expiration_date: The reported deferred stock units vested in full on the date of grant and the Reporting Person will receive the shares underlying the deferred stock units upon the Reporting Person's end of service as a Director.

SEC source: 0001123292-17-001662 · edgar.xml · derivative · entry 1

ELLIS JOHN J. · CIK 0001602924 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,687

Underlying: Common Stock · 129,687 shares

Expires not disclosed

F1 · derivative.exercise_price: The exercise price was converted from CAD0.64 to USD0.51, based on the October 23, 2017 exchange rate as quoted by the Bank of Canada. The exercise price is the actual Canadian dollar amount regardless of the exchange rate on the date of exercise.

F2 · derivative.exercise_date: The reported deferred stock units vested in full on the date of grant and the Reporting Person will receive the shares underlying the deferred stock units upon the Reporting Person's end of service as a Director.

F2 · derivative.expiration_date: The reported deferred stock units vested in full on the date of grant and the Reporting Person will receive the shares underlying the deferred stock units upon the Reporting Person's end of service as a Director.

SEC source: 0001123292-17-001660 · edgar.xml · derivative · entry 2

Hanneman Karl L · CIK 0001602426 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 250,000

Underlying: Common Stock · 250,000 shares

Expires 2025-02-01

F1 · derivative.exercise_price: The exercise price was converted from CAD1.35 to USD1.0677, based on the October 23, 2017 exchange rate as quoted by the Bank of Canada. The exercise price is the actual Canadian dollar amount regardless of the exchange rate on the date of exercise.

F2 · derivative.exercise_date: The options vest as to one-third on the date of grant, one-third on February 1, 2018 and one-third on February 1, 2019.

SEC source: 0001123292-17-001658 · edgar.xml · derivative · entry 2

Irwin Thomas E · CIK 0001565132 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,687

Underlying: Common Stock · 129,687 shares

Expires not disclosed

F1 · derivative.exercise_price: The exercise price was converted from CAD0.64 to USD0.51, based on the October 23, 2017 exchange rate as quoted by the Bank of Canada. The exercise price is the actual Canadian dollar amount regardless of the exchange rate on the date of exercise.

F2 · derivative.exercise_date: The reported deferred stock units vested in full on the date of grant and the Reporting Person will receive the shares underlying the deferred stock units upon the Reporting Person's end of service as a Director.

F2 · derivative.expiration_date: The reported deferred stock units vested in full on the date of grant and the Reporting Person will receive the shares underlying the deferred stock units upon the Reporting Person's end of service as a Director.

SEC source: 0001123292-17-001656 · edgar.xml · derivative · entry 1

WENG THOMAS S. · CIK 0001603617 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,687

Underlying: Common Stock · 129,687 shares

Expires not disclosed

F1 · derivative.exercise_price: The exercise price was converted from CAD0.64 to USD0.51, based on the October 23, 2017 exchange rate as quoted by the Bank of Canada. The exercise price is the actual Canadian dollar amount regardless of the exchange rate on the date of exercise.

F2 · derivative.exercise_date: The reported deferred stock units vested in full on the date of grant and the Reporting Person will receive the shares underlying the deferred stock units upon the Reporting Person's end of service as a Director.

F2 · derivative.expiration_date: The reported deferred stock units vested in full on the date of grant and the Reporting Person will receive the shares underlying the deferred stock units upon the Reporting Person's end of service as a Director.

SEC source: 0001123292-17-001654 · edgar.xml · derivative · entry 1

LANG STEPHEN A · CIK 0001263105 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,687

Underlying: Common Stock · 129,687 shares

Expires not disclosed

F1 · derivative.exercise_price: The exercise price was converted from CAD0.64 to USD0.51, based on the October 23, 2017 exchange rate as quoted by the Bank of Canada. The exercise price is the actual Canadian dollar amount regardless of the exchange rate on the date of exercise.

F2 · derivative.exercise_date: The reported deferred stock units vested in full on the date of grant and the Reporting Person will receive the shares underlying the deferred stock units upon the Reporting Person's end of service as a Director.

F2 · derivative.expiration_date: The reported deferred stock units vested in full on the date of grant and the Reporting Person will receive the shares underlying the deferred stock units upon the Reporting Person's end of service as a Director.

SEC source: 0001062993-18-001629 · form4.xml · derivative · entry 1

DRESCHER ANTON J · CIK 0001136540 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,687

Underlying: Common Stock · 129,687 shares

Expires not disclosed

F1 · derivative.exercise_price: The exercise price was converted from CAD0.64 to USD0.51, based on the October 23, 2017 exchange rate as quoted by the Bank of Canada. The exercise price is the actual Canadian dollar amount regardless of the exchange rate on the date of exercise.

F2 · derivative.exercise_date: The reported deferred stock units vested in full on the date of grant and the Reporting Person will receive the shares underlying the deferred stock units upon the Reporting Person's end of service as a Director.

F2 · derivative.expiration_date: The reported deferred stock units vested in full on the date of grant and the Reporting Person will receive the shares underlying the deferred stock units upon the Reporting Person's end of service as a Director.

SEC source: 0001279569-17-001453 · v470938_4.xml · nonDerivative · entry 1

Irwin Thomas E · CIK 0001565132 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 256,024

SEC source: 0001140361-16-091226 · doc1.xml · nonDerivative · entry 1

PAULSON & CO. INC. · CIK 0001035674 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Managed Funds and Accounts

Disclosed balance after: 55,487,842

F1 · security: Paulson & Co. Inc. ("Paulson") is an investment advisor registered under the Investment Advisors Act of 1940. Paulson is the investment manager of investment funds (the "Funds") and certain separately managed accounts (the "Separately Managed Accounts"). John Paulson is the controlling person of Paulson. All securities reported on this Form 4 are owned by the Funds or held in the Separately Managed Accounts.

F2 · security: Each of Paulson and John Paulson may be deemed to indirectly beneficially own the securities directly owned by the Funds or held in the Separately Managed Accounts. Pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, as amended (the "Act"), the filing of this Form 4 shall not be deemed an admission by any person reporting on this Form 4 that such person, for purposes of Section 16 of the Act or otherwise, is the beneficial owner of any equity securities covered by this Form 4.

F1 · ownership.direct: Paulson & Co. Inc. ("Paulson") is an investment advisor registered under the Investment Advisors Act of 1940. Paulson is the investment manager of investment funds (the "Funds") and certain separately managed accounts (the "Separately Managed Accounts"). John Paulson is the controlling person of Paulson. All securities reported on this Form 4 are owned by the Funds or held in the Separately Managed Accounts.

F2 · ownership.direct: Each of Paulson and John Paulson may be deemed to indirectly beneficially own the securities directly owned by the Funds or held in the Separately Managed Accounts. Pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, as amended (the "Act"), the filing of this Form 4 shall not be deemed an admission by any person reporting on this Form 4 that such person, for purposes of Section 16 of the Act or otherwise, is the beneficial owner of any equity securities covered by this Form 4.