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Peregrine Pharmaceuticals Joins Russell 3000 Index

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^{Published in Health and Fitness on Monday, June 28th 2010 at 5:21 GMT by Market Wire}  

TUSTIN, CA--(Marketwire - June 28, 2010) - Peregrine Pharmaceuticals, Inc. (NASDAQ: [ PPHM ]), a clinical-stage biopharmaceutical company developing first-in-class monoclonal antibodies for the treatment of cancer and viral infections, today announced that on June 25, 2010 it was added to the Russell 3000^® Index following the Russell Investment Group's annual reconstitution of its comprehensive set of U.S. and global equity indexes.

Annual reconstitution of Russell's U.S. indexes captures the 4,000 largest U.S. stocks as of the end of May, ranking them by total market capitalization. Membership in the Russell 3000, which remains in place for one year, means automatic inclusion in the large-cap Russell 1000^® Index or small-cap Russell 2000^® Index as well as the appropriate growth and value style indexes. Russell determines membership for its equity indexes primarily by objective, market-capitalization rankings and style attributes.

Russell indexes are widely used by investment managers and institutional investors for index funds and as benchmarks for both passive and active investment strategies. An industry-leading $3.9 trillion in assets currently are benchmarked to them. These investment tools originated from Russell's multi-manager investment business in the early 1980s when the company saw the need for a more objective, market-driven set of benchmarks in order to evaluate outside investment managers.

Total returns data for the Russell 3000 and other Russell Indexes is available at [ http://www.russell.com/Indexes/performance/default.asp ].

About Russell
Russell Investments provides strategic advice, world-class implementation, state-of-the-art performance benchmarks and a range of institutional-quality investment products. Russell has $179 billion in assets under management as of March 31, 2010, and serves individual, institutional and advisor clients in more than 40 countries. Founded in 1936, Russell is a subsidiary of The Northwestern Mutual Life Insurance Company.

About Peregrine Pharmaceuticals
Peregrine Pharmaceuticals, Inc. is a biopharmaceutical company with a portfolio of innovative monoclonal antibodies in clinical trials for the treatment of cancer and serious viral infections. The company is pursuing multiple clinical programs in cancer and hepatitis C virus infection with its lead product candidate bavituximab and novel brain cancer agent Cotara^®. Peregrine also has in-house cGMP manufacturing capabilities through its wholly-owned subsidiary Avid Bioservices, Inc. ([ www.avidbio.com ]), which provides development and biomanufacturing services for both Peregrine and outside customers. Additional information about Peregrine can be found at [ www.peregrineinc.com ].