|                                                                          |   |                 |   |   | Year of |   |   |                  |   |    |       |   |
|-------------------------------------------------------------------------------|--------|----------------------|--------|--------|--------------|--------|--------|-----------------------|--------|---------|------------|--------|
|                                                                          |   | % Owned at |   |   | Initial      |   |   |                  |   |    |       |   |
| Company                                                                       |   | 3/31/11              |   |   | Investment   |   |   | Put/Call Options |   |
|                                                                          |   |                 |   |   |         |   |   | 2011                  |   |    | Thereafter |   |
|                                                                          |   |                 |   |   |         |   |   | (See Notes)           |   |
| Consolidated:                                                                 |   |                 |   |   |         |   |   |                  |   |    |       |   |
| Strategic Marketing Services                                                  |   |                 |   |   |         |   |   |                  |   |    |       |   |
|                                                                          |   |                 |   |   |         |   |   |                  |   |    |       |   |
| 72andSunny Partners LLC                                                       |   |                 | 51.0   | %      |         | 2010   |   |                  |   | — |       |   | Note 1 |   |
| Allison & Partners LLC                                                    |   |                 | 51.0   | %      |         | 2010   |   |                  |   | — |       |   | Note 2 |   |
| Anomaly Partners LLC                                                          |   |                 | 60.0   | %      |         | 2011   |   |                  |   | — |       |   | Note 3 |   |
| Attention Partners LLC                                                        |   |                 | 51.0   | %      |         | 2009   |   |                  |   | — |       |   | Note 4 |   |
| Bruce Mau Design Inc.                                                         |   |                 | 75.0   | %      |         | 2004   |   |                  |   | — |       |   |   |   |
| Capital C Partners LP                                                         |   |                 | 80.0   | %      |         | 2010   |   |                  |   | — |       |   | Note 5 |   |
| Colle & McVoy, LLC                                                        |   |                 | 95.0   | %      |         | 1999   |   |                  |   | — |       |   | Note 6 |   |
| Crispin Porter & Bogusky, LLC                                             |   |                 | 100.0  | %      |         | 2001   |   |                  |   | — |       |   |   |   |
| Company C Communications LLC                                                  |   |                 | 100.0  | %      |         | 2000   |   |                  |   | — |       |   | Note 7 |   |
| Hello Design, LLC                                                             |   |                 | 49.0   | %      |         | 2004   |   |                  |   | — |       |   |   |   |
| henderson bas partnership                                                     |   |                 | 65.0   | %      |         | 2004   |   |                  |   | 100.0   | %          |   |   |   |
| HL Group Partners, LLC                                                        |   |                 | 65.9   | %      |         | 2007   |   |                  |   | — |       |   | Note 8 |   |
| kirshenbaum bond senecal & partners, LLC                                  |   |                 | 100.0  | %      |         | 2004   |   |                  |   | — |       |   |   |   |
| Kbs+p Atlanta (f.k.a. Fletcher Martin, LLC)                                   |   |                 | 100.0  | %      |         | 1999   |   |                  |   | — |       |   |   |   |
| Kwittken PR LLC                                                               |   |                 | 60.0   | %      |         | 2010   |   |                  |   | — |       |   | Note 9 |   |
| Mono Advertising, LLC                                                         |   |                 | 49.9   | %      |         | 2004   |   |                  |   | 60.0    | %          |   | Note 10 |   |
| Redscout, LLC                                                                 |   |                 | 60.0   | %      |         | 2007   |   |                  |   | — |       |   | Note 11 |   |
| Sloane & Company LLC                                                      |   |                 | 70.0   | %      |         | 2010   |   |                  |   |    |       |   | Note 12 |   |
| Skinny NYC, LLC                                                               |   |                 | 50.1   | %      |         | 2008   |   |                  |   | — |       |   | Note 13 |   |
| Veritas Communications Inc.                                                   |   |                 | 64.1   | %      |         | 1993   |   |                  |   | 81.5    | %          |   | Note 14 |   |
| Vitro Robertson, LLC                                                          |   |                 | 77.0   | %      |         | 2004   |   |                  |   | 95.0    | %          |   | Note 15 |   |
| Yamamoto Moss Mackenzie, Inc.                                                 |   |                 | 100.0  | %      |         | 2000   |   |                  |   | — |       |   |   |   |
| Zyman Group, LLC                                                              |   |                 | 96.0   | %      |         | 2005   |   |                  |   | — |       |   | Note 16 |   |
| Performance Marketing Services                                                |   |                 |   |   |         |   |   |                  |   |    |       |   |   |   |
| Accent Marketing Services, LLC                                                |   |                 | 100.0  | %      |         | 1999   |   |                  |   | — |       |   |   |   |
| 6degrees Integrated Communications Inc. (f.k.a. Accumark Communications Inc.) |   |                 | 55.0   | %      |         | 1993   |   |                  |   | 68.3    | %          |   | Note 17 |   |
| Bryan Mills Iradesso Corp.                                                    |   |                 | 62.8   | %      |         | 1989   |   |                  |   | 88.2    | %          |   | Note 18 |   |
| Communifx Partners, LLC                                                       |   |                 | 83.3   | %      |         | 2010   |   |                  |   | — |       |   | Note 19 |   |
| Computer Composition of Canada Inc.                                           |   |                 | 100.0  | %      |         | 1988   |   |                  |   | — |       |   |   |   |
| Integrated Media Solutions Partners LLC                                       |   |                 | 75.0   | %      |         | 2010   |   |                  |   | — |       |   | Note 20 |   |
| Kenna Communications LP                                                       |   |                 | 80.0   | %      |         | 2010   |   |                  |   |    |       |   | Note 21 |   |
| Northstar Research Partners Inc.                                              |   |                 | 70.0   | %      |         | 1998   |   |                  |   | — |       |   | Note 22 |   |
| 656712 Ontario Limited (d.b.a. Onbrand)                                       |   |                 | 89.0   | %      |         | 1992   |   |                  |   | — |       |   |   |   |
| Relevent Partners LLC                                                         |   |                 | 60.0   | %      |         | 2010   |   |                  |   | — |       |   |   |   |
| Hudson and Sunset Media LLC                                                   |   |                 | 51.0   | %      |         | 2010   |   |                  |   | — |       |   |   |   |
| Source Marketing, LLC                                                         |   |                 | 83.0   | %      |         | 1998   |   |                  |   | 87.1    | %          |   | Note 23 |   |
| TargetCom, LLC                                                                |   |                 | 100.0  | %      |         | 2000   |   |                  |   | — |       |   | Note 24 |   |
| The Arsenal LLC (f.k.a.Team Holdings LLC)                                     |   |                 | 60.0   | %      |         | 2010   |   |                  |   | — |       |   | Note 25 |   |
| Equity Accounted:                                                             |   |                 |   |   |         |   |   |                  |   |    |       |   |   |   |
| Adrenalina, LLC                                                               |   |                 | 49.9   | %      |         | 2007   |   |                  |   | — |       |   | Note 26 |   |

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| (1)  | MDC has the right to increase its ownership interest in 72 and Sunny through acquisition of an incremental interest of up to 100% in 2016.                                                                                                                                                                                                                                                                   |
|------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| (2)  | MDC has the right to increase its ownership interest in Allison & Partners LLC through acquisition of an incremental interest, and other holders have the right to put only upon termination to MDC the same incremental interest up to 100% of this entity in 2015.                                                                                                                                     |
| (3)  | MDC has the right to increase its ownership interest in  Anomaly Partners LLC through acquisition of an incremental interest of up to 100% in 2015.                                                                                                                                                                                                                                                |
| (4)  | Attention Partners LLC is owned by HL Group Partners, LLC. HL Group Partners, LLC has the right to increase its ownership in Attention Partners, LLC through acquisitions of incremental interests, and the other interest holders has the right to put to HL Group Partners, LLC the same incremental interests up to 100% only upon termination.                                                           |
| (5)  | MDC has the right to increase its ownership interest in Capital C Partners LP through acquisition of an incremental interest, up to 90% in 2015, and up to 100% in 2017.                                                                                                                                                                                                                                     |
| (6)  | MDC has the right to increase its economic ownership in Colle & McVoy, LLC through acquisition of an incremental interest, and the other interest holder has the right to put to MDC the same incremental interest, up to 100% of this entity in 2012.                                                                                                                                                   |
| (7)  | During 2010, MDC increased its economic ownership in Company C Communications, LLC through acquisition of an incremental interest. Effective October 1, 2008, Company C is operated as a division of kirshenbaum bond senecal & partners, LLC.                                                                                                                                                           |
| (8)  | MDC has the right to increase its ownership in HL Group Partners, LLC through acquisitions of incremental interests, and the other interest holders have the right to put to MDC the same incremental interests, up to 72.4% of this entity in 2012, up to 82.62% in 2013 and up to 93.73% in 2014. Effective January 25, 2010, MDC acquired an additional 1% membership interest in HL Group Partners, LLC. |
| (9)  | MDC has the right to increase its ownership in Kwittken PR LLC through acquisitions of incremental interests, up to 100% of this entity in 2015.                                                                                                                                                                                                                                                             |
| (10) | MDC has the right to increase its ownership in Mono Advertising, LLC through acquisitions of incremental interests, and the other interest holders have the right to put to MDC the same incremental interests, up to 54.9% of this entity in 2010, up to 60.0% in 2011, up to 65.0% in 2012, up to 70.0% in 2013 and up to 75.0% in 2014.                                                                   |
| (11) | MDC has the right to increase its ownership in Redscout, LLC through acquisition of an incremental interest, and the other interest holder has the right to put to MDC the same incremental interest, up to 80% of this entity in 2012.                                                                                                                                                                      |
| (12) | MDC has the right to increase its ownership interest in Sloane & Company LLC through acquisition of incremental interests, and other interest holders have the right to put to MDC the same incremental interests up to 100% in 2015.                                                                                                                                                               |
| (13) | MDC has the right to increase its ownership in Skinny NYC, LLC through acquisition of incremental interests, and the other interest holders have the right to put to MDC the same incremental interest, up to 60.1% of this entity in 2014, up to 70.1% of this entity in 2015 and up to 80.1% of this entity in 2016.                                                                                       |
| (14) | MDC has the right to increase its ownership in Veritas Communications Inc. through acquisitions of incremental interests, and the other interest holders have the right to put to MDC the same incremental interests, up to 81.5% of this entity in 2011, up to 95.1% in 2012 and up to 100% in 2013.                                                                                                        |
| (15) | MDC has the right to increase its ownership in Vitro Robertson, LLC through acquisition of an incremental interest, and the other interest holder has the right to put to MDC the same incremental interest, up to 95% of this entity in 2011, up to 97.5% in 2012 and up to 100% in 2013.                                                                                                                   |
| (16) | In January 2009, Zyman Group, LLC has become an operating division of kirshenbaum bond senecal & partners, LLC.                                                                                                                                                                                                                                                                                          |
| (17) | MDC has the right to increase its ownership in 6degrees Integrated Communications Inc. through acquisitions of incremental interests, and the other interest holders have the right to put to MDC the same incremental interests up to 68.3% of this entity in 2011 and up to 75.0% in 2012. MDC’s current economic interest is 42%.                                                                   |
| (18) | MDC has the right to increase its ownership in Bryan Mills Iradesso, Corp. through acquisition of an incremental interest, and the other interest holders have the right to put to MDC the same incremental interest, up to 100% of this entity in 2012.                                                                                                                                                     |
| (19) | MDC has the right to increase its ownership in Communifx Partners, LLC through acquisitions of incremental interests, and the other interest holders have the right to put to MDC the same incremental interests, up to 100% of this entity in 2013.                                                                                                                                                         |
| (20) | MDC has the right to increase its ownership interest in Integrated Media Solutions Partners LLC through acquisitions of incremental interests, up to 100% of this entity in 2015.                                                                                                                                                                                                                            |
| (21) | MDC has the right to increase its ownership interest in Kenna Communications LP through acquisition of an incremental interest, up to 100% in 2015.                                                                                                                                                                                                                                                          |
| (22) | MDC has the right to increase its ownership in Northstar Research Partners Inc. through acquisitions of incremental interests, and the other holders have the right to put to MDC the same incremental interests, up to 100% of this entity in 2013.                                                                                                                                                         |
| (23) | MDC has the right to increase its ownership in Source Marketing, LLC through acquisitions of incremental interests, and the other interest holders have the right to put to MDC the same incremental interests up 87.1% of this entity in 2011 and 91.3% in 2012 and 100% in 2013.                                                                                                                           |
| (24) | Effective January 1, 2009, Targetcom LLC is operating as a division of Accent Marketing Services, LLC.                                                                                                                                                                                                                                                                                                       |
| (25) | MDC has the right to increase its ownership in The Arsenal, LLC, through acquisition of an incremental interest,  up to 100% of this entity in 2013.                                                                                                                                                                                                                                               |
| (26) | Effective September 1, 2010,  MDC has written off the value of its investment in Adrenalina, LLC.                                                                                                                                                                                                                                                                                                  |

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