Event Story Bangkok, March 7, 2006 – Diethelm & Co Ltd., a part of the DKSH Group, and one of Thailand’s leading business organizations, recently celebrated its 100th anniversary of continuous operations in Thailand with a stunning gala dinner. The celebration, which was graciously presided over by HRH Princess Maha Chakri Sirindhorn, was held at the Phra Racha Wang Derm Palace. Taking place on Monday, February 6, the Diethelm centenary gala dinner began with a cocktail reception at the Authors’ Lounge of The Oriental Hotel, with an array of distinguished guests including diplomats, government officials, leading business people, senior Diethelm and DKSH management, Diethelm’s principals, customers and suppliers, as well as longtime friends. After the reception, the guests were elegantly ferried to the Phra Racha Wang Derm Palace. The beautiful gala dinner included a wide range of entertainment as well as a specially produced video on Diethelm’s 100 years in Thailand. In addition, there was an accompanying exhibition of historic Diethelm photographs, letters and trademarks. The wondrous evening was capped off by a fabulous fireworks finale over the river.

Photo captions:

1. Diethelm centenary ice sculpture.

2. Mr. Walter Brenneis, President of Diethelm & Co Ltd., together with Mr. Andreas W. Keller, Chairman of the Board of Directors of Diethelm Keller Holding Ltd, welcome His Excellency Mr. Hans-Peter Erismann, the Ambassador of Switzerland to Thailand, and his wife, Mrs. Freda Erismann

3. Mr. Adrian T. Keller, Chairman of DKSH Holding Ltd, with Mr. Andreas W. Keller, Chairman of the Board of Directors of Diethelm Keller Holding Ltd

4. HRH Princess Maha Chakri Sirindhorn with the Diethelm Thailand Management

5. HRH Princess Maha Chakri Sirindhorn views the Diethelm exhibition.

6. Mr. Walter Brenneis (3rd right), President of Diethelm & Co Ltd., with some of Diethelm’s distinguished guests.

7. Mr. Andreas W. Keller, Chairman of the Board of Directors of Diethelm Keller Holding Ltd, speaks on behalf of the company.

8. Ms. Panada Wongphudee, MC of the gala evening event.

9 – 10 Parts of the evening’s entertainment programme.

11. Closing fireworks.

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