Exhibit 1

JOINT FILING AGREEMENT

The undersigned, Temasek Holdings (Private) Limited, Fullerton Management Pte Ltd, Fullerton Financial Holdings Pte. Ltd. and Allamanda Investments Pte Ltd, hereby agree and acknowledge that the information required by this Schedule 13G/A, to which this Agreement is attached as an exhibit, is filed on behalf of each of them. The undersigned further agree that any further amendments or supplements hereto shall also be filed on behalf of each of them.

Dated: February 14, 2012	TEMASEK HOLDINGS (PRIVATE) LIMITED
	By:	/s/ Lena Chia Yue Joo
		Name :  Lena Chia Yue Joo
		Title   :  Managing Director, Legal & Regulations
Dated: February 14, 2012	FULLERTON MANAGEMENT PTE LTD
	By:	/s/ Lena Chia Yue Joo
		Name :  Lena Chia Yue Joo
		Title   :  Director
Dated: February 14, 2012	FULLERTON FINANCIAL HOLDINGS PTE. LTD.
	By:	/s/ Syed Aamir Zahidi
		Name :  Syed Aamir Zahidi
		Title   :  Executive Vice President
Dated: February 14, 2012	ALLAMANDA INVESTMENTS PTE LTD
	By:	/s/ Rooksana Shahabally
		Name :  Rooksana Shahabally
		Title   :  Director