[JOINT FILING AGREEMENT Dated: February 6, 2013 ATRIX ARTNERS HINA M David Su Director ATRIX ARTNERS HINA M David Su Director ATRIX HINA ANAGEMENT M David Su Director ATRIX HINA TD M David Su] [CUSIP No. 09777B107 1. Names of Reporting Persons Matrix Partners China I, L.P. 2. Check the Appropriate Box if a Member of a Group (See Instructions) ¨ (a) ¨ (b) 3. SEC Use Only 4. Citizenship or Place of Organization Cayman Islands]
[Schedule 13G Forms CUSIP NO. 00211V106 13G 2 6 Page]
[698659109 CUSIP No. 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OFOVE PERSON(entities only) JCF LF, L.P. (45-3936411) 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A (See Instructions) (a)[] (b)[X] 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware NUMBER OF SHARES BENEFICIALLY OWNED BY EACH]
[Schedule 13G Forms CUSIP NO. 81941U105]
[JOINT FILING AGREEMENT Dated: February 6, 2013 ATRIX ARTNERS HINA M David Su Director ATRIX ARTNERS HINA M David Su Director ATRIX HINA ANAGEMENT M David Su Director ATRIX HINA TD M David Su] [CUSIP No. 09777B107 1. Names of Reporting Persons Matrix Partners China I, L.P. 2. Check the Appropriate Box if a Member of a Group (See Instructions) ¨ (a) ¨ (b) 3. SEC Use Only 4. Citizenship or Place of Organization Cayman Islands]
[Schedule 13G Forms CUSIP NO. 00211V106 13G 2 6 Page]
[698659109 CUSIP No. 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OFOVE PERSON(entities only) JCF LF, L.P. (45-3936411) 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A (See Instructions) (a)[] (b)[X] 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware NUMBER OF SHARES BENEFICIALLY OWNED BY EACH]
[Schedule 13G Forms CUSIP NO. 81941U105]
[JOINT FILING AGREEMENT Dated: February 6, 2013 ATRIX ARTNERS HINA M Matrix China Management I, L.P. Matrix China I GP GP, Ltd. David Su Director ATRIX ARTNERS HINA M Matrix China Management I, L.P. Matrix China I GP GP, Ltd. David Su Director ATRIX HINA ANAGEMENT M Matrix China I GP GP, Ltd.] [CUSIP No. 90138A 10 3 1. Names of Reporting Persons Matrix Partners China I, L.P. 2. Check the Appropriate Box if a Member of a Group (See Instructions) ¨ (a) ¨ (b) 3. SEC Use Only 4. Citizenship or Place of Organization]
[13G Page 2 of 5 Pages (1) Names of Reporting Persons Taiwan Semiconductor Manufacturing Company Limited (2) Check the Appropriate Box if a Member of a Group ¨ ¨ (a) (3) SEC Use Only]
