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Press release from Business Wire

Cummins Announces Development of 15-Liter On-Highway Natural Gas Engine

Wednesday, March 21, 2012

Cummins Announces Development of 15-Liter On-Highway Natural Gas Engine12:32 EDT Wednesday, March 21, 2012 LOUISVILLE, Ky. (Business Wire) -- Cummins Inc. (NYSE: CMI) today announced that it has begun development of a 15-liter Heavy-Duty, spark-ignited natural gas engine to meet demand for on-highway applications that are powered by the cheaper, cleaner and more plentiful fuel. As natural gas production grows in North America and the fuel becomes more readily available, Cummins believes that there is a strong market for engines powered by an alternative to diesel fuel. “Cummins is committed to making the right investments in the technologies that strengthen our leadership position in natural gas,” said Ed Pence, Cummins Vice President and General Manager – Heavy-Duty Engine Business. Cummins has been investing significantly in the development of natural gas engines. In addition to its off-highway natural gas engines, Cummins is already producing on-highway spark-ignited natural gas engines for Cummins Westport, its joint venture with Westport Innovations in Vancouver, British Columbia. Engines offered by Cummins Westport range in size from 5.9 liters to the recently announced 12-liter ISX12 G, which will begin production in 2013. The ISX15 G will be based on the industry-leading ISX15 diesel engine and will build on Cummins technology leadership with spark-ignited, Stoichiometric cooled Exhaust Gas Recirculation (SEGR) technology. A simple, maintenance-free Three-Way Catalyst will be the only required exhaust aftertreatment. The engine will run on compressed natural gas, liquefied natural gas or biomethane. Cummins ISX15 G is expected to be in limited production by 2014. About Cummins Inc. Cummins Inc., a global power leader, is a corporation of complementary business units that design, manufacture, distribute and service engines and related technologies, including fuel systems, controls, air handling, filtration, emission solutions and electrical power generation systems. Headquartered in Columbus, Indiana (USA), Cummins employs approximately 44,000 people worldwide and serves customers in approximately 190 countries and territories through a network of more than 600 company-owned and independent distributor locations and approximately 6,500 dealer locations. Cummins earned $1.85 billion on sales of $18.0 billion in 2011. Press releases can be found on the Web at cummins.com or cumminsengines.com. Follow Cummins on Twitter at http://twitter.com/cumminsengines and YouTube at http://youtube.com/cumminsengines. Forward-Looking Disclosure Statement Information provided in this release that is not purely historical are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, including statements regarding the company's expectations, hopes, beliefs and intentions on strategies regarding the future. It is important to note that the company's actual future results could differ materially from those projected in such forward-looking statements because of a number of factors, including, but not limited to, general economic, business and financing conditions, labor relations, governmental action, competitor pricing activity, expense volatility and other risks detailed from time to time in Cummins Securities and Exchange Commission filings. Cummins Inc.Janet Williams, Director-Corporate Communications, 317-610-2488Janet.williams@cummins.com