| Applicable Amount |       | Applicable Period |
|------------------------|------------|------------------------|
| $                      | 85,000,000 |                   | For the 12 month period endingMarch 31, 2011 and for the 12 month periodending on the last day of each calendar quarter thereafter |

----

----

----

| MDC PARTNERS INC., a federal company |
|--------------------------------------|
| organized under the laws of Canada   |
|                                 |
| By:                                  | /s/ Mitchell Gendel |
| Name:                           | Mitchell Gendel |
| Title:                               | Authorized Signatory |
|                                 |   |
| By:                                  | /s/ Michael Sabatino |
| Name:                                | Michael Sabatino |
| Title:                               | Authorized Signatory |

| MAXXCOM INC.,          |
|------------------------|
| a Delaware corporation |
|                   |
| By:                    | /s/ Mitchell Gendel |
| Name:             | Mitchell Gendel |
| Title:                 | Authorized Signatory |
|                   |   |
| By:                    | /s/ Michael Sabatino |
| Name:                  | Michael Sabatino |
| Title:                 | Authorized Signatory |

----

| 72ANDSUNNY PARTNERS, LLC,                         |
|---------------------------------------------------|
| a Delaware limited liability company              |
|                                              |
| ACCENT MARKETING SERVICES, L.L.C.,                |
| a Delaware limited liability company              |
|                                              |
| ADRENALINA LLC,                                   |
| a Delaware limited liability company              |
|                                              |
| ALLISON & PARTNERS LLC,                       |
| a Delaware limited liability company              |
|                                              |
| ATTENTION PARTNERS LLC,                           |
| a Delaware limited liability company              |
|                                              |
| ANOMALY PARTNERS LLC,                             |
| a Delaware limited liability company              |
|                                              |
| BRUCE MAU DESIGN (USA) LLC,                       |
| a Delaware limited liability company              |
|                                              |
| COLLE & MCVOY LLC,                            |
| a Delaware limited liability company              |
|                                              |
| COLLE & MCVOY, INC.,                          |
| a Minnesota corporation                           |
|                                              |
| COMMUNIFX PARTNERS LLC,                           |
| a Delaware limited liability company              |
|                                              |
| COMPANY C COMMUNICATIONS, INC.,                   |
| a Delaware corporation                            |
|                                              |
| COMPANY C COMMUNICATIONS LLC,                     |
| a Delaware limited liability company              |
|                                              |
| CRISPIN PORTER & BOGUSKY LLC,                 |
| a Delaware limited liability company              |
|                                              |
| DOTGLU LLC,                                       |
| a Delaware limited liability company              |
|                                              |
| EXPECTING PRODUCTIONS, LLC,                       |
| a California limited liability company            |
| By: Hudson and Sunset Media, LLC, its sole member |
|                                              |
| GUARDIANT WARRANTY, LLC,                          |
| a Delaware limited liability company              |

----

| HELLO ACQUISITION INC.,                                                                                                                   |
|-------------------------------------------------------------------------------------------------------------------------------------------|
| a Delaware corporation                                                                                                                    |
|                                                                                                                                      |
| HELLO DESIGN, LLC,                                                                                                                        |
| a California limited liability company                                                                                                    |
|                                                                                                                                      |
| HL GROUP PARTNERS LLC,                                                                                                                    |
| a Delaware limited liability company                                                                                                      |
|                                                                                                                                      |
| HUDSON AND SUNSET MEDIA, LLC (formerly known as Shout Media LLC),                                                                         |
| a California limited liability company                                                                                                    |
|                                                                                                                                      |
| HW ACQUISITION LLC,                                                                                                                       |
| a Delaware limited liability company                                                                                                      |
|                                                                                                                                      |
| INTEGRATED MEDIA SOLUTIONS PARTNERS LLC, a Delaware limited liability company                                                             |
|                                                                                                                                      |
| KBP HOLDINGS LLC,                                                                                                                         |
| a Delaware limited liability company                                                                                                      |
|                                                                                                                                      |
| KBS+P ATLANTA LLC (formerly known as FLETCHER MARTIN LLC),                                                                                |
| a Delaware limited liability company                                                                                                      |
|                                                                                                                                      |
| KIRSHENBAUM BOND SENECAL & PARTNERS LLC (formerly known as Kirshenbaum Bond & Partners LLC), a Delaware limited liability company |
|                                                                                                                                      |
| KIRSHENBAUM BOND & PARTNERS WEST LLC, a Delaware limited liability company                                                            |
|                                                                                                                                      |
| KWITTKEN PR LLC,                                                                                                                          |
| a Delaware limited liability company                                                                                                      |
|                                                                                                                                      |
| MARGEOTES FERTITTA POWELL LLC,                                                                                                            |
| a Delaware limited liability company                                                                                                      |
|                                                                                                                                      |
| MAXXCOM (USA) FINANCE COMPANY,                                                                                                            |
| a Delaware corporation                                                                                                                    |
|                                                                                                                                      |
| MAXXCOM (USA) HOLDINGS INC.,                                                                                                              |
| a Delaware corporation                                                                                                                    |
|                                                                                                                                      |
| MDC ACQUISITION INC.,                                                                                                                     |
| a Delaware Corporation                                                                                                                    |

----

| MDC CORPORATE (US) INC.,                                                    |
|-----------------------------------------------------------------------------|
| a Delaware corporation                                                      |
|                                                                        |
| MDC INNOVATION PARTNERS LLC                                                 |
| (d/b/a Spies & Assassins),                                              |
| a Delaware limited liability company                                        |
|                                                                        |
| MDC TRAVEL, INC.,                                                           |
| a Delaware corporation                                                      |
|                                                                        |
| MDC/CPB HOLDINGS INC.                                                       |
| (formerly known as CPB Acquisition Inc.),                                   |
| a Delaware corporation                                                      |
|                                                                        |
| MDC/KBP ACQUISITION INC.,                                                   |
| a Delaware corporation                                                      |
|                                                                        |
| MF+P ACQUISITION CO.,                                                       |
| a Delaware corporation                                                      |
|                                                                        |
| MONO ADVERTISING, LLC,                                                      |
| a Delaware limited liability company                                        |
|                                                                        |
| NEW TEAM LLC,                                                               |
| a Delaware limited liability company                                        |
|                                                                        |
| NORTHSTAR RESEARCH GP LLC,                                                  |
| a Delaware limited liability company                                        |
|                                                                        |
| NORTHSTAR RESEARCH HOLDINGS USA LP,                                         |
| a Delaware limited partnership                                              |
|                                                                        |
| NORTHSTAR RESEARCH PARTNERS (USA) LLC, a Delaware limited liability company |
|                                                                        |
| OUTERACTIVE, LLC,                                                           |
| a Delaware limited liability company                                        |
|                                                                        |
| PULSE MARKETING, LLC,                                                       |
| a Delaware limited liability company                                        |
|                                                                        |
| REDSCOUT LLC,                                                               |
| a Delaware limited liability company                                        |
|                                                                        |
| RELEVENT PARTNERS LLC,                                                      |
| a Delaware limited liability company                                        |
|                                                                        |
| SKINNY NYC LLC,                                                             |
| a Delaware limited liability company                                        |

----

| SLOANE & COMPANY LLC,              |
|----------------------------------------|
| a Delaware limited liability company   |
|                                   |
| SOURCE MARKETING LLC,                  |
| a New York limited liability company   |
|                                   |
| TARGETCOM LLC,                         |
| a Delaware limited liability company   |
|                                   |
| TC ACQUISITION INC.,                   |
| a Delaware corporation                 |
|                                   |
| THE ARSENAL LLC                        |
| (formerly known as Team Holdings LLC), |
| a Delaware limited liability company   |
|                                   |
| TRACK 21 LLC,                          |
| a Delaware limited liability company   |
|                                   |
| TRAFFIC GENERATORS, LLC,               |
| a Georgia limited liability company    |
|                                   |
| VARICK MEDIA MANAGEMENT LLC,           |
| a Delaware limited liability company   |
|                                   |
| VITROROBERTSON LLC,                    |
| a Delaware limited liability company   |
|                                   |
| YAMAMOTO MOSS MACKENZIE, INC.,         |
| a Delaware corporation                 |
|                                   |
| ZG ACQUISITION INC.,                   |
| a Delaware corporation                 |
|                                   |
| ZIG (USA) LLC,                         |
| a Delaware limited liability company   |
|                                   |
| ZYMAN GROUP, LLC,                      |
| a Delaware limited liability company   |

| By:         | /s/ Mitchell Gendel  |
|-------------|----------------------|
| Name:  | Mitchell Gendel      |
| Title:      | Authorized Signatory |
|        |                 |
| By:         | /s/ Michael Sabatino |
| Name:       | Michael Sabatino     |
| Title:      | Authorized Signatory |

----

| ASHTON POTTER CANADA INC.,                                                                                        |
|-------------------------------------------------------------------------------------------------------------------|
| an Ontario corporation                                                                                            |
|                                                                                                              |
| HENDERSON BAS, an Ontario general partnership, by the members of its management committee                         |
|                                                                                                              |
| COMPUTER COMPOSITION OF CANADA INC.,                                                                              |
| an Ontario corporation                                                                                            |
|                                                                                                              |
| BRUCE MAU DESIGN INC.,                                                                                            |
| an Ontario corporation                                                                                            |
|                                                                                                              |
| BRUCE MAU HOLDINGS LTD.,                                                                                          |
| an Ontario corporation                                                                                            |
|                                                                                                              |
| KBS+P CANADA INC. (formerly known as Allard Johnson Communications Inc.),                                         |
| an Ontario corporation                                                                                            |
|                                                                                                              |
| TREE CITY INC.,                                                                                                   |
| an Ontario corporation                                                                                            |
|                                                                                                              |
| VERITAS COMMUNICATIONS INC.,                                                                                      |
| an Ontario corporation                                                                                            |
|                                                                                                              |
| 656712 ONTARIO LIMITED,                                                                                           |
| an Ontario corporation                                                                                            |
|                                                                                                              |
| NORTHSTAR RESEARCH HOLDINGS CANADA INC., an Ontario corporation                                                   |
|                                                                                                              |
| NORTHSTAR RESEARCH PARTNERS INC.,                                                                                 |
| an Ontario corporation                                                                                            |
|                                                                                                              |
| X CONNECTIONS INC., an Ontario corporation                                                                        |
|                                                                                                              |
| STUDIO PICA INC., a federal company organized under the laws of Canada                                            |
|                                                                                                              |
| CRISPIN PORTER + BOGUSKY CANADA INC. (formerly known as Zig Inc.), an Ontario corporation                         |
|                                                                                                              |
| 6 DEGREES INTEGRATED COMMUNICATIONS INC. (formerly known as Accumark Communications Inc.), an Ontario corporation |

----

| MAXXCOM (NOVA SCOTIA) CORP.,     |
|----------------------------------|
| a Nova Scotia corporation        |
|                             |
| BRYAN MILLS IRADESSO CORP.,      |
| an Ontario corporation           |
|                             |
| KENNA COMMUNICATIONS LP,         |
| an Ontario limited partnership   |
| By: Kenna Communications GP Inc. |
|    Its general partner |
|                             |
| CAPITAL C PARTNERS LP,           |
| an Ontario limited partnership   |
| By: Capital C Partners GP Inc.   |
|    Its general partner |
|                             |
| KENNA COMMUNICATIONS GP INC.,    |
| an Ontario corporation           |
|                             |
| CAPITAL C PARTNERS GP INC.,      |
| an Ontario corporation           |

| By:         | /s/ Mitchell Gendel  |
|-------------|----------------------|
| Name:  | Mitchell Gendel      |
| Title:      | Authorized Signatory |
|        |                 |
| By:         | /s/ Michael Sabatino |
| Name:       | Michael Sabatino     |
| Title:      | Authorized Signatory |

----

| CRISPIN PORTER & BOGUSKY EUROPE AB |
|----------------------------------------|
|                                   |
| By:                                    | /s/ Mitchell Gendel |
| Name:                             | Mitchell Gendel |
| Title:                                 | Authorized Signatory |
|                                   |   |
| By:                                    | /s/ Michael Sabatino |
| Name:                                  | Michael Sabatino |
| Title:                                 | Authorized Signatory |

----

| WELLS FARGO CAPITAL FINANCE, LLC, formerly known as Wells Fargo Foothill, LLC, as Agent and as a Lender |
|---------------------------------------------------------------------------------------------------------|
|                                                                                                    |
| By:                                                                                                     | /s/ Paul G. Chao |
| Name:                                                                                              | Paul G. Chao |
| Title:                                                                                                  | SVP |

| JPMORGAN CHASE BANK, N.A., as a Lender |
|----------------------------------------|
|                                   |
| By:                                    | /s/ Michelle Cipriani |
| Name:                             | Michelle Cipriani |
| Title:                                 | Vice President |

| BANK OF MONTREAL, as a Lender |
|-------------------------------|
|                          |
| By:                           | /s/ Naghmeh Hashemifard |
| Name:                    | Naghmeh Hashemifard |
| Title:                        | Director |

----