Conference Calls

Material Sciences Corp.

Q1 11 Earnings Conference Call

10:00 AM

Material Sciences Corp. (MASC.OB) will host a conference call at 10:00 AM ET July 9, 2010, to discuss its Q1 11 financial results. To access the live webcast, log on at www.matsci.com The call can also be accessed by dialing 877-407-0784 (US) or 201-689-8560 (International). For replay of the call, dial 877-870-5176 (US) or 858-384-5517 (International) with ID 353320.

China Valves Technology Inc.

CVVT.OB

Annual Meeting of Shareholders

7:00 AM

China Valves Technology, Inc. (CVVT) will host its Annual Meeting of Shareholders in 21st Floor, Kineer International Plaza, Zhengzhou City, China. The event is scheduled to begin at 7:00 AM ET, July 9, 2010. To participate in the call, dial +1 (866) 620-9467 or +86 (10) 5851-2020 with passcode 93218623.