Disclosure of shareholding

Under the Swiss Stock Exchange Act we disclose the following:

• Shareholders that reach, exceed or fall below the thresholds of 3%, 5%, 10%, 15%, 20%, 25%, 33.33%, 50% or 66.66% of the voting rights.

Abbreviations:

• Purchase position: total of Adecco shares and derivatives
• Equity: registered shares as part of total purchase position
• Sale position: derivatives

2009 Deutsche Bank Group (21.26% purchase of which 3.01% equity, 18.70% sale) 11/02/2009 Adecco S.A. (8.86% purchase of which 8.02% equity, 15.05% sale) 10/23/2009 AXA S.A. (5.16% equity) 10/06/2009 Jacobs Holding AG (25.56% purchase of which 21.90% equity, 22.66% sale) 08/21/2009 AXA S.A. (3.29% equity) 07/03/2009 Adecco S.A. (8.84% purchase of which 8.00% equity, 6.15% sale) 07/02/2009 Credit Suisse Group (4.92% purchase of which 0.54% equity, 4.64% sale) 06/08/2009 Morgan Stanley International (1.14% purchase of which 0.21% equity) 05/25/2009 Franklin Resources Inc. (9.91% purchase of which 9.91% equity) 05/11/2009 Jacobs Holding AG (22.75% purchase, all equity; sale position, see document) 05/05/2009 Franklin Resources Inc. (10.01% purchase of which 10.01% equity) 04/30/2009 Accounts managed by FIL Limited (3.02% purchase of which 2.96% equity) 04/14/2009 Morgan Stanley International (5.88% purchase of which 2.48% equity) 04/09/2009 Credit Suisse Group AG (5.11% purchase of which 0.35.% equity, 3.43% sale) 02/25/2009 Credit Suisse Group AG (4.94% purchase of which 0.18.% equity, 3.41% sale) 02/25/2009 Credit Suisse Group AG (5.01% purchase of which 0.24.% equity, 3.41% sale) 02/24/2009 Harris Associates L.P. (4.98% equity) 01/30/2009 Below 3% Morgan Stanley 01/22/2009 2008 Morgan Stanley Group (3.57% purchase of which 0.56% equity) 12/02/2008 Morgan Stanley Group (6.26% purchase of which 1.86% equity) 11/24/2008 Below 3% JP Morgan 10/27/2008 Below 3% UBS Fund Management (Switzerland) AG, 10/02/2008 Credit Suisse Group (4.88% purchase of which 0.30% equity, 4.33% sale) 09/26/2008 Credit Suisse Group (5.06% purchase of which 0.38% equity, 4.33% sale) 09/23/2008 Jacobs Group - Change in Group composition 09/18/2008 Deutsche Bank Group (19.87% purchase of which 0.43% equity, 18.56% sale) 09/16/2008 Deutsche Bank Group (20.04% purchase of which 0.61% equity, 18.75% sale) 09/11/2008 Adecco S.A. (9.19% purchase of which 7.85% equity, 2.98% sale) 07/21/2008 Deutsche Bank Group (19.81% purchase of which 0.50% equity, 18.60% sale) 06/13/2008 Deutsche Bank Group (20.04% purchase of which 0.73% equity, 18.60% sale) 06/11/2008 Deutsche Bank Group (19.97% purchase of which 0.67% equity, 18.61% sale) 06/09/2008 Deutsche Bank Group (20.00% purchase of which 0.86% equity, 18.61% sale) 06/03/2008 Deutsche Bank Group (19.93% purchase of which 0.70% equity, 18.63% sale) 05/23/2008 UBS Fund Management (4.03% equity) 05/14/2008 Deutsche Bank Group (20.01% purchase of which 0.75% equity, 18.67% sale) 05/08/2008 Deutsche Bank Group (19.98% purchase of which 0.73% equity, 18.61% sale) 05/08/2008 Deutsche Bank Group (20.00% purchase of which 0.72% equity, 18.64% sale) 05/07/2008 Deutsche Bank Group (19.98% purchase of which 0.70% equity, 18.64% sale) 04/30/2008 Sonata Securites S.A. (17.2% purchase of which 0% equity, 17.2% sale) 04/08/2008 Deutsche Bank Group (20.7% purchase of which 1.47% equity, 18.7% sale) 04/08/2008 Deutsche Bank Group (26.96% purchase of which 1.41% equity, 25.04% sale) 03/31/2008 Deutsche Bank Group (27.55% purchase of which 1.64% equity, 24.93% sale) 03/31/2008 Jacobs Holding AG (22.68% purchase, all equity; sale position, see document) 03/28/2008 Credit Suisse Group (3.71% purchase of which 0.35% equity, 4.25% sale) 03/28/2008 Credit Suisse Group (4.48% purchase of which 0.73% equity, 5.07% sale) 03/28/2008 Credit Suisse Group (5.06% purchase of which 0.73% equity, 5.51% sale) 02/11/2008 Credit Suisse Group (5.42% purchase of which 0.82% equity, 4.36% sale) 02/06/2008 Credit Suisse Group (4.18% purchase of which 0.50% equity, 4.00% sale) 01/22/2008 Credit Suisse Group (4.98% purchase of which 0.71% equity, 4.33% sale) 01/22/2008 Franklin Templeton Investment (5.26% equity) 01/11/2008 4.36% Adecco S.A. (5.02% purchase, 3.14% sale positions) 01/11/2008 2007 1.01% Deutsche Bank (27.8% purchase, 25.9% sale positions) 12/31/2007 Below 3.00% UBS AG 12/27/2007 0.53% Credit Suisse (4.94% purchase, 4.33% sale positions) 12/27/2007 1.88% JP Morgan (4.99% purchase, 1.14% sale positions) 12/27/2007 0.92% DB AG (27.48% purchase, 25.86% sale positions) 12/11/2007 29.03% Jacobs Holding AG (purchase and sale positions, see document) 12/06/2007 3.24% Adecco S.A. (4.39% purchase, 3.33% sale positions) 12/06/2007 5.03% Harris Associates L.P. 11/23/2007 Below 5.00% Barclays PLC 10/22/2007 5.05% JPMorgan Chase & Co (of which 2.2% are registered shares) 08/28/2007 5.07% UBS AG (of which 1.2% are registered shares) 08/28/2007 4.92% UBS AG (of which 1.0% are registered shares) 08/23/2007 27.4% Deutsche Bank (of which 1.3% are registered shares) 08/22/2007 5.05% UBS AG (of which 1.0% are registered shares) 08/22/2007 4.77% UBS AG (of which 0.9% are registered shares) 08/15/2007 5.37% UBS AG (of which 1.4% are registered shares) 08/14/2007 27.4% Deutsche Bank (of which 1.2% are registered shares) 07/11/2007 5.00% Barclays PLC 07/03/2007 4.85% Harris Associates L.P. 06/27/2007 28.3% Deutsche Bank (of which 1.1% are registered shares) 05/25/2007 27.1% Deutsche Bank (of which 1.2% are registered shares) 05/11/2007 5.01% Harris Associates L.P. 04/02/2007 29.3% Deutsche Bank (of which 2.2% are registered shares) 01/24/2007 27.4% Deutsche Bank (of which 2.2% are registered shares) 01/04/2007 2006 28.0% Deutsche Bank (of which 2.2% are registered shares) 12/22/2006 27.4% Deutsche Bank (of which 1.9% are registered shares) 12/15/2006 4.59% Harris Associates L.P. 09/21/2006 5.02% Harris Associates L.P. 09/07/2006 24% Deutsche Bank (of which 1.3% are registered shares) 01/03/2006 22.7% Sonata Securities SA (5.5% Calls; 17.2% Puts) 01/03/2006 2005 24% Deutsche Bank (of which 1.3% are registered shares) 12/14/2005 5.44% Akila Finance SA 12/09/2005 29.25% Jacobs Holding AG 12/09/2005 16.44% Jacobs Holding AG 11/29/2005 4.94% Capital Group Companies 11/04/2005 8.1% Jacobs Holding AG 09/15/2005 5.00% Capital Group Companies 08/17/2005 4.92% Capital Group Companies 07/01/2005

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