Exhibit 99.1

MDC PARTNERS INC.

SCHEDULE OF CURRENT AND POTENTIAL MARKETING

COMMUNICATIONS COMPANY OWNERSHIP

Company	% Owned at 6/30/09			Year of Initial Investment	Put/Call Options
					2009			Thereafter
					(See Notes)
Consolidated:
Strategic Marketing Services
Allard Johnson Communications Inc.		75.2	%	1992		88.5	%	Note 1
Colle & McVoy, LLC		95.0	%	1999		—		Note 2
Crispin Porter & Bogusky, LLC		94.0	%	2001		—		Note 3
Company C Communications LLC		90.0	%	2000		—		Note 4
Fletcher Martin, LLC		85.0	%	1999		100.0	%
HL Group Partners, LLC		64.3	%	2007		—		Note 5
kirshenbaum bond & partners, LLC		100.0	%	2004		—
Mono Advertising, LLC		49.9	%	2004		—		Note 6
Redscout, LLC		60.0	%	2007		—		Note 7
Skinny NYC, LLC		50.1	%	2008		—		Note 8
Vitro Robertson, LLC		79.8	%	2004		—		Note 9
Zig Inc.		74.1	%	2004		86.1	%	Note 10
Zyman Group, LLC		94.1	%	2005		—		Note 11
Customer Relationship Management
Accent Marketing Services, LLC		100.0	%	1999		—
TargetCom, LLC		100.0	%	2000		—		Note 12
Specialized Communication Services
Accumark Communications Inc.		55.0	%	1993		—		Note 13
Bruce Mau Design Inc.		50.1	%	2004		—
Bryan Mills Iradesso Inc.		62.8	%	1989		88.2	%	Note 14
Computer Composition of Canada Inc.		100.0	%	1988		—
Hello Design, LLC		51.0	%	2004		—
henderson bas partnership		65.0	%	2004		100.0	%
Northstar Holdings Canada Inc.		72.4	%	1998		—		Note 15
Onbrand		89.0	%	1992		—		Note 16
Source Marketing, LLC		83.0	%	1998		—		Note 17
Veritas Communications Inc.		64.1	%	1993		78.4	%	Note 18
Yamamoto Moss Mackenzie		100.0	%	2000		—
Equity Accounted:
Adrenalina, LLC		49.9	%	2007		—		Note 19

Notes

(1) MDC has the right to increase its ownership interest in Allard Johnson Communications Inc. through acquisition of an incremental interest, and the other holders have the right to put to MDC the same incremental interest up to 89% of this entity in 2009 and 100% only upon termination.

(2) 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.

(3) MDC has the right to increase its ownership in Crispin Porter & Bogusky, LLC (“CPB”) through acquisitions of an incremental interest and the other interest holder has the right to put to MDC the same incremental interest up to 100% in 2012.

(4) MDC has the right to increase its economic ownership in Company C Communications, 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. Effective October 1, 2008, Company C is operated as a division of KBP.

(5) 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 72.41% of this entity in 2012, up to 82.62% in 2013 and up to 93.73% in 2014.

(6) 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.

(7) 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.

(8) 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.

(9) 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.

(10) MDC has the right to increase its ownership in Zig Inc. through acquisitions of incremental interests, and the other interest holders have the right to put to MDC the same incremental interest, up to 88.4% of this entity in 2010, and up to 90.45% of this entity in 2012. Effective July 1, 2008, ACLC was merged into Zig.

(11) As of December 31, 2008, MDC’s economic interest in Zyman Group, LLC was 100% of profits as its priority return is not expected to be exceeded. In January 2009, MDC called 32% of incremental equity interests in exchange for a contractual formula purchase price equal to $0.

(12) Effective January 1, 2009, TargetCom, LLC is operating as a division of Accent Marketing Services, LLC.

(13) MDC, has the right to increase its ownership in Accumark 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 61.7% of this entity in 2010, up to 68.3% in 2011 and up to 75.0% in 2012. MDC’s current economic interest is 42%.

(14) MDC has the right to increase its ownership in Bryan Mills Iradesso, Inc. 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.

(15) MDC has the right to increase its ownership in Northstar Research Holdings Canada Inc. through acquisitions of incremental interests, and the other holders have the right to put to MDC the same incremental interests up to 100% only upon termination.

(16) MDC has the right to increase its ownership in Onbrand through acquisitions of incremental interests, and the other holders have the right to put to MDC the same incremental interests up to 100% only upon termination.

(17) 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.

(18) 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 78.4% of this in 2010, up to 81.5% in 2011, up to 95.1% in 2012 and up to 100% in 2013.

(19) MDC has the right to increase its ownership in Adrenalina, LLC through acquisitions of incremental interests, and the other interest holders have the right to put to MDC the same incremental interests, up to 61% of this entity in 2013, up to 72% in 2014 and up to 82% in 2015.