Zawawi Minerals LLC 45%

USG Boral Building Products 55% (50:50 Joint Venture between USG Corporation & Boral Ltd)

Zawawi Gypsum LLC is a joint venture company between Zawawi Minerals LLC and USG Boral Building Products for Gypsum mining and processing in the Sultanate of Oman. USG Corporation brings with them world class expertise in gypsum mining perfected over its 100 years of experience in the industry. As an additional element, USG Corporation will transfer technologies and skills into the JV’S operations. Combined with the local and regional market knowledge, understanding and experience as well as local execution capability of Zawawi Minerals, Zawawi Gypsum LLC is in a unique position to deliver real value and growth. The company recently started operating a world class Gypsum mining and processing facility in Salalah, Oman.

USG Corporation brings with them world class expertise in gypsum mining perfected over its 100 years of experience in the industry. As an additional element, USG Corporation will transfer technologies and skills into the JV’S operations.

Combined with the local and regional market knowledge, understanding and experience as well as local execution capability of Zawawi Minerals, Zawawi Gypsum LLC is in a unique position to deliver real value and growth.

The company recently started operating a world class Gypsum mining and processing facility in Salalah, Oman.

We will be one of the best suited sources for gypsum requirement for the following reasons:

• Largest professionally managed gypsum quarry in the Sultanate of Oman
• State-of-the art quarry management and crushing/screening operation
• Only Gypsum operation able to support long term supply in the Sultanate of Oman
• Only operation mining multiple faces with the capability to deliver consistent product quality in the Sultanate of Oman