The transactions highlighted below are representative of Greenhill engagements. In addition, the Firm has completed many engagements that were not publicly-disclosed.
Recent Transactions
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Concordia International Corp
![flag not available](https://www.greenhill.com/sites/default/files/n_a_flag.gif)
Advised the Special Committee of the Board of Directors of Concordia International, a diverse, international specialty pharmaceutical company focused on generic and legacy pharmaceutical products and orphan drugs, on its strategic review process
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Niska Gas Storage Partners
![Canada Canada flag](https://www.greenhill.com/sites/default/files/canada.gif)
Advised the Conflicts Committee of the Board of Directors of Niska and provided a fairness opinion on its sale to Brookfield
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
GFI Group Inc.
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Advised the Special Committee of GFI Group Inc. on its sale to BGC Partners, Inc.
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Voya Financial, Inc.
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Advised the Independent Committee of the Board of Directors of Voya Financial, Inc. in connection with Voya Financial, Inc.’s repurchase of 4.5mm shares (aggregate repurchase of $175mm) from ING Groep N.V.
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Voya Financial, Inc.
![flag not available](https://www.greenhill.com/sites/default/files/n_a_flag.gif)
Advised the Independent Committee of the Board of Directors of Voya Financial, Inc. in connection with Voya Financial, Inc.’s repurchase of 7.7mm shares (aggregate repurchase of $300mm) from ING Groep N.V.
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
ING US, Inc.
Advised the Independent Committee of the Board of Directors of ING US, Inc. in connection with ING U.S., Inc’s repurchase of 7.2mm shares (aggregate repurchase of $250mm) from ING Groep N.V.
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Tesoro Hawaii, LLC
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Advised the Special Committee of the Board of Directors of Par Petroleum in connection with its acquisition of Tesoro Hawaii, LLC from Tesoro Corporation
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
50% of El Paso Natural Gas and 50% of El Paso Midstream Investment Company
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Advised the Independent Directors of the Board of Kinder Morgan Energy Partners on the acquisition of 50% of El Paso Natural Gas, a ~10,000 mile natural gas pipeline system connecting the Permian Basin in Texas / New Mexico with key consumer markets in Arizona, California and Mexico, and 50% of El Paso Midstream Investment Company which includes oil and gas gathering and processing assets in the Altamont region in Northeast Utah and in the Eagle Ford shale play in Southwest Texas
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
American International Group (AIG)
Advised the United States Department of the Treasury (“UST”) on the full reduction of its 92% ownership stake in the insurer through numerous Secondary Public Offering Transactions
![U.S.A., Guernsey flags](https://www.greenhill.com/sites/default/files/guernsey-us_90266.gif)
Investments of AP Alternative Assets, L.P.
![U.S., Bermuda flags](https://www.greenhill.com/sites/default/files/usa_bermuda.gif)
Advised the Special Committee of the Conflicts Committee of the Board of Directors of Athene Holding Ltd. in connection with the purchase of non-cash investment assets of AP Alternative Assets L.P.
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Tennessee Gas Pipeline and 50% of El Paso Natural Gas
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Advised the Independent Directors of the Board of Kinder Morgan Energy Partners on the acquisition of Tennessee Gas Pipeline, a ~14,000 mile natural gas pipeline system connecting Texas, Louisiana, and the Gulf of Mexico with the northeastern US, and 50% of El Paso Natural Gas, a ~10,000 mile natural gas pipeline system connecting the Permian Basin in Texas / New Mexico with key consumer markets in Arizona, California and Mexico
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
American Dental Partners, Inc.
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Advised American Dental Partners, Inc. (NASD: ADPI), one of the nation’s leading business partners to dental group practices, on its sale to JLL Partners, a leading private equity firm
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Wesco Financial Corporation
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Advised the Special Committee of Wesco Financial Corporation in connection with Berkshire Hathaway Inc.'s proposal to acquire the remaining 19.9% of the shares of Wesco’s common stock that it does not presently own
![USA/Switzerland U.S.A., Swiss flags](https://www.greenhill.com/sites/default/files/usa_swiss.gif)
Alcon, Inc.
![Switzerland Switzerland flag](https://www.greenhill.com/sites/default/files/switzerland.gif)
Advised the Independent Director Committee of Alcon, Inc., an ophthalmic pharmaceutical company, on the sale of Alcon’s outstanding publicly held interest to Novartis AG, a global pharmaceutical company
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
NYFIX, Inc.
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Advised the Special Committee of the Board of Directors of NYFIX, Inc., a provider of electronic trading solutions, on its sale to NYSE Euronext
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Dynegy, Inc.
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Advised Dynegy, Inc., a merchant power generator, on its sale of 9 power plants to LS Power Equity Partners in exchange for cash and Dynegy shares
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Trans Mountain Pipeline System
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Advised Independent Committee of the Board of Kinder Morgan Energy Partners on the acquisition of Trans Mountain Pipeline System, an ~800 mile pipeline which transports crude oil and refined products from Alberta to British Columbia and Washington State
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
SLM Corporation
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Advised the Transaction Committee of the Board of Directors of SLM Corporation, commonly known as Sallie Mae, on the sale to a consortium consisting of J.C. Flowers, Friedman Fleischer & Lowe, Bank of America and JPMorgan Chase
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Cardinal Health, Inc., Pharmaceutical Technologies and Services division
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Provided fairness opinion to the board of directors of Cardinal Health, Inc., a global company serving the health-care industry, on the sale of its Pharmaceutical Technologies and Services business, which provides outsourced services and proprietary technologies to the global pharmaceutical and biotechnology industries
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Refco
Acted as the exclusive financial advisor to Refco Inc. in connection with its Chapter 11 proceedings which included the sale of substantially all of the assets of Refco's regulated commodities futures business to Man Financial for $1.2 billion
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Archipelago Holdings Inc
![United States United States flag](https://www.greenhill.com/sites/default/files/usa_0.gif)
Provided financial advisory services and a fairness opinion to Archipelago Holdings, Inc. in its definitive merger agreement with the NYSE to create the NYSE Group, Inc