Mesa Laboratories, Inc. Added to the Russell Micr...( LAKEWOOD Colo. July 7 /- Mesa Lab...),Health

LAKEWOOD, Colo., July 7 /PRNewswire-FirstCall/ -- Mesa Laboratories, Inc. (Nasdaq: MLAB) announced today that it was added to the Russell Microcap(R) Index when Russell Investments reconstituted its comprehensive family of U.S. indexes on June 27, 2008.

Membership in the Russell Microcap, which remains in place for one year, means automatic inclusion in 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.

"We are pleased with our inclusion in this index, which reflects our continued positive momentum of sales and earnings," said John J. Sullivan, President and COO. "Russell is an industry leader for stock indexes, and we expect our inclusion will generate greater interest in our stock among institutional investors."

Annual reconstitution of Russell indexes captures the 4,000 largest U.S. stocks as of the end of May, ranking them by total market capitalization to create the Russell 3000(R) Index and Russell Microcap. 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.

About Russell:

Russell Investments aims to improve financial security for people by providing strategic advice, world-class implementation, state-of-the-art performance benchmarks, and a range of institutional-quality investment products. With more than $213 billion in asse
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