Flat Glass Group Co., Ltd. and JA Solar entered into the Sales Contract on July 30, 2021 for the supply and sale of an aggregate of approximately 230,000,000 square meters of Photovoltaic Rolled Glass (for using in solar modules) between the Sellers and the Purchasers from August 1, 2021 to July 31, 2024. As the Sales Contract and the transactions contemplated under the Sales Contract are of a revenue nature in the ordinary and usual course of business of the Group under Rule 14.04(1)(g) of the Listing Rules, it does not constitute as a notifiable transaction for the Company under Chapter 14 of the Listing Rules. Purchase price for glass of each and every specification shall be negotiated by both parties through friendly consultation on a win-win basis with reference to prevailing market prices. Taking into consideration the market penetration rate of the double-glass modules, and based on the average price of 3.2mm PV Glass as RMB22 per square meter (including tax) and the average price of 2.0mm PV Glass as RMB18 per square meter (including tax) as published by Sublime China Information Co., Ltd. dated 29 July 2021 in its weekly report, the Board estimated that the total sum will be approximately RMB4.618 billion (including tax). If either party fails to perform in accordance with the terms agreed in the agreement, the defaulting party shall bear the corresponding liabilities for breaching as agreed in the agreement. The Sales Contract shall be effective on the date when it is signed and sealed by both parties. Benefiting from the rapid growth of the global photovoltaic industry, the Company has expanded its production capacity and production scale in recent years in order to better promote its marketing of PV Glass products and further improve its business performance. The Sales Contract will benefit the marketing of the Company's large-sized and thin PV Glass products, increase the sales of its PV Glass products, and further improve the Company's operating results.