[iSoftStone Holdings Limited International Software Plaza, Building 9 Zhongguancun Software Park 8 West Dongbeiwang Road, Haidian District, Beijing 100193, China, telephone +86 (0) 10 5874 9000 iSoftStone Announces JV with Huawei Conference call to be held on at 8:00 a.m. EDT (New York) BEIJING, China, September 4, 2012 /PRNewswire-FirstCall/ — iSoftStone Holdings Limited (“iSoftStone” NYSE: ISS), a leading China-based IT] [CONFIDENTIAL TREATMENT REQUESTED Investment Agreement By and Between iSoftStone Information Technology (Group) Co., Ltd iSoftStone Holdings Limited and Huawei Technologies Co., Ltd. Shenzhen, China September 4, 2012 Investment Agreement Table of Content 1 Recitals 4 Section 1 Definitions and Interpretation 5 1.1 Definitions 5 1.2 Interpretation 9 Section 2 Registered Capital of the JVCO and Shareholders’ Contribution] [iSoftStone iSoftStone-Huawei Joint Venture Investor Briefing September 4, 2012 Safe Harbor Statement iSoftStone 2 Summary of JV iSoftStone and Huawei entered into a partnership/JV agreement on September 4, 2012 Vision of JV: To build a leading IT service provider in the global Technology & Communication (T&C) industry Definition of T&C: Telecommunications carriers, telecommunications equipment manufacturers, e-commerce and internet companies, and] [Form 6-K TABLE OF CONTENTS Page 6 (Translated from Mandarin)]