[CUSIP NO. 74734M109 13 G Page 2 of 12 Pages 1 NAME OF REPORTING PERSON SEQUOIA CAPITAL CHINA I, L.P. (SCC I) I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) 20-3514012 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ¨ x (a) 3 SEC USE ONLY]
[initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed but shall be subject to all other provisions of the Act (however, see the Notes).]
[CUSIP No. 50047P104 13G Page 1 0 of 10 Pages JOINT FILING AGREEMENT Dated as of February 12, 2013 DIAMONDBACK MASTER FUND, LTD. DIAMONDBACK CAPITAL MANAGEMENT, LLC DBCM PARTNERS, LLC]
[CUSIP NO. 521168104 13 G Page 2 of 18 Pages 1 NAME OF REPORTING PERSON SEQUOIA CAPITAL CHINA I, L.P. (SCC I) I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) 20-3514012 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ¨ x (a) 3 SEC USE ONLY]
[initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed but shall be subject to all other provisions of the Act (however, see the Notes).]
[CNOOC Limited]
[CUSIP NO. 521168104 13 G Page 2 of 18 Pages 1 NAME OF REPORTING PERSON SEQUOIA CAPITAL CHINA I, L.P. (SCC I) I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) 20-3514012 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ¨ x (a) 3 SEC USE ONLY]
[for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose ("Act") or otherwise subject to]
[CNOOC Limited]
[13G CUSIP NO. 09777B107 Page 2 of 12 Pages 1 NAME OF REPORTING PERSON SEQUOIA CAPITAL CHINA I, L.P. (SCC I) I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) 20-3514012 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ¨ x (a) 3 SEC USE ONLY 4]
