[JA Solar to Host Second Quarter 2013 Results Conference Call on August 29 , 201 3 Shanghai, August 20, 201 3 — JA Solar Holdings Co., Ltd. (Nasdaq:JASO) (“JA Solar” or the “Company”), one of the world’s largest manufacturers of high-performance solar power products, today announced that it will hold a conference call on Thursday, August 29, 201 3, at]

[JA Solar P-Type Mono-Si Solar Cells Surpass 20% Conversion Efficiency Shanghai, China, August 19, 2013 - JA Solar Holdings Co., Ltd. (Nasdaq:JASO) (“JA Solar” or the “Company”), one of the world’s largest manufacturers of high-performance solar power products, today announced that its p-type mono-crystalline silicon (“mono-Si”) solar cells, a new family of high-performance solar cells dubbed “PERCIUM,” have surpassed 20%]

[August 16, 2013 JA Solar Holdings Co., Ltd. 36 Jiang Chang San Road, Zhabei, Shanghai, China 200436 The People’s Republic of China RE: JA Solar Holdings Co., Ltd. — Ladies and Gentlemen: This opinion is being delivered in accordance with the requirements of Item 601(b)(5) of Regulation In rendering the opinion set forth herein, we have examined and relied on] [16 August , 2013 Matter No.:878502 Doc Ref: FW/aw/#3720961v1 JA Solar Holdings Co., Ltd. No. 36 Jiang Chang San Road Zhabei Shanghai People’s Republic of China Dear Sirs, Re: JA Solar Holdings Co., Ltd. Company ADSs Ordinary Shares SPA Buyer We have acted as special Cayman Islands legal counsel to JA Solar Holdings Co., Ltd. (the “ For the purposes]

[JA SOLAR HOLDINGS CO., LTD. REPRESENTED BY AMERICAN DEPOSITARY SHARES Issuance Date Date of Issuance: [ ], 2013 (“ Company Holder JA Solar Holdings Co., Ltd., an exempted Company incorporated under the laws of the Cayman Islands (the “ 1 Initial Exercisability Date (the “ 2 ADS ADR Subscription Date Buyers Securities Purchase Agreement Registration Statement (subject to adjustment as] [JA SOLAR HOLDINGS CO., LTD. REPRESENTED BY AMERICAN DEPOSITARY SHARES Issuance Date Date of Issuance: [ ], 2013 (“ Company Holder JA Solar Holdings Co., Ltd., an exempted Company incorporated under the laws of the Cayman Islands (the “ 1 Initial Exercisability Date (the “ 2 ADS ADR Subscription Date Buyers Securities Purchase Agreement Registration Statement (subject to adjustment as] [JA SOLAR HOLDINGS CO., LTD. Issuance Date Date of Issuance: [ ], 2013 (“ Company Holder JA Solar Holdings Co., Ltd., an exempted Company incorporated under the laws of the Cayman Islands (the “ 1 Initial Exercisability Date (the “ 2 ADS ADR Subscription Date Buyers Securities Purchase Agreement Registration Statement (subject to adjustment as provided herein) fully paid and] [JA SOLAR HOLDINGS CO., LTD. REPRESENTED BY AMERICAN DEPOSITARY SHARES Issuance Date Date of Issuance: [ ], 2013 (“ Company Holder JA Solar Holdings Co., Ltd., an exempted Company incorporated under the laws of the Cayman Islands (the “ 1 Initial Exercisability Date (the “ 2 ADS ADR Subscription Date Buyers Securities Purchase Agreement Registration Statement (subject to adjustment as] [SECURITIES PURCHASE AGREEMENT This SECURITIES PURCHASE AGREEMENT Agreement (the “ the offices of Codan Trust Company (Cayman) Limited, Cricket Square, Hutchins Drive, P.O. Box 2681, Grand Cayman, KY1-1111 and with headquarters located at No. 36, Jiang Chang San Road, Zhabei, Shanghai 200436, the People’s Republic of China Company Buyer Buyers (the “ RECITALS Ordinary Shares Registration Statement A. The Company] [INDEX TO UNAUDITED INTERIM CONDENSED CONSOLIDATED FINANCIAL STATEMENTS OF JA SOLAR Unaudited Interim Condensed Consolidated Financial Statements Unaudited Condensed Consolidated Balance Sheet as of March 31, 2013 F-2 Unaudited Condensed Consolidated Statements of Operations and Comprehensive Loss for the Three Months Ended March 31, 2012 and 2013 F-3 Unaudited Condensed Consolidated Statements of Changes in Shareholders’ Equity for the Three] [RECENT DEVELOPMENTS For the second quarter of 2013, we expect our total shipments to exceed the previously announced guidance of 410 MW to 430 MW. Revenues for the second quarter ended June 30, 2013 are expected to be slightly lower as compared to the first quarter of 2013. We expect to report lower net losses during the second quarter of] [JA Solar Announces US$ 96 million Registered Direct Offering SHANGHAI, August 14 , Under the terms of the Securities Purchase Agreement, the Company has agreed to sell an aggregate of 15,228,425 ordinary shares, US$0.0001 par value per share, of the Company (“Ordinary Shares”), represented by 3,045,685 American Depositary Shares (each, an “ADS”), at a price of US $7.88 subject to] [EXECUTION VERSION JA SOLAR HOLDINGS CO., LTD. PLACEMENT AGENCY AGREEMENT August 13, 2013 Barclays Capital Inc. 745 Seventh Avenue New York, New York 10019 Ladies and Gentlemen: Company ADSs Ordinary Shares Purchased ADSs Investor Placement Agent ADRs Depositary ADS Securities Securities, JA Solar Holdings Co., Ltd., a company organized under the laws of the Cayman Islands (the “ (i) ADS]