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Paratek Set to Join Russell 3000(R) and Russell Global Indexes

BOSTON, June 22, 2015 (GLOBE NEWSWIRE) -- Paratek Pharmaceuticals, Inc. (Nasdaq:PRTK), a biopharmaceutical company focused on the development and commercialization of innovative therapies based upon tetracycline chemistry, today announced that it has been selected to be included in the broad-market Russell 3000® and Russell Global indexes. This inclusion will be effective upon the close of trading on June 26, 2015, when the Russell Investment Group reconstitutes its comprehensive set of U.S. and global equity indexes.

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. Membership in the Russell Global Index, which also remains in place for one year, means automatic inclusion in the appropriate large-cap, small-cap, all-cap indexes as well as the applicable style, sector and country indexes. FTSE Russell determines membership for its Russell indexes primarily by objective, market-capitalization rankings and style attributes.

About Paratek

Paratek Pharmaceuticals, Inc. is a biopharmaceutical company focused on the development and commercialization of innovative therapies based upon its expertise in novel tetracycline chemistry. Paratek's lead product candidate, omadacycline, is an aminomethylcycline, derived from tetracyclines.

Omadacycline is a new once-daily oral and intravenous, broad-spectrum antibiotic being developed for use as empiric monotherapy for patients suffering from serious community-acquired bacterial infections, such as acute bacterial skin and skin structure infections (ABSSSI), community acquired bacterial pneumonia (CABP), urinary tract infections (UTI), and other community-acquired bacterial infections, particularly when antibiotic resistance is of concern to prescribing physicians.

Paratek's second product candidate, sarecycline, also known as WC 3035, is a new once-daily oral tetracycline-derived compound, designed to provide both a narrow-spectrum of antibiotic activity and favorable tolerability profile, for the treatment of acne and rosacea in the community setting. Paratek has licensed rights to sarecycline for the treatment of acne in the United States to a subsidiary of Allergan, formerly Warner Chilcott, while retaining rights in the rest of the world. Allergan is responsible for the clinical development of sarecycline for the treatment of acne in the United States. A Phase 3 program was initiated by Allergan in December 2014 for sarecycline for the treatment of moderate to severe inflammatory acne.

For more information, visit www.paratekpharm.com.

About FTSE Russell

FTSE Russell is a global index leader that provides innovative benchmarking, analytics and data solutions for investors worldwide. FTSE Russell calculates thousands of indexes that measure and benchmark markets and asset classes in more than 80 countries, covering 98% of the investable market globally and trading on over 25 exchanges worldwide.

FTSE Russell index expertise and products are used extensively by institutional and retail investors globally. Leading asset owners, asset managers, ETF providers and investment banks use FTSE Russell indexes to benchmark their investment performance and create ETFs, structured products and index-based derivatives.

A core set of universal principles guides FTSE Russell index design and management: a transparent rules-based methodology is informed by independent committees of leading market participants. FTSE Russell is focused on applying the highest industry standards in index design and governance. FTSE Russell is also focused on index innovation and client collaboration as it seeks to enhance the breadth, depth and reach of its offering.

FTSE Russell is wholly owned by London Stock Exchange Group. For more information, visit www.ftserussell.com.

Forward Looking Statements

This press release contains forward-looking statements including statements about our inclusion in the Russell indexes identified above. All statements, other than statements of historical facts, included in this press release are forward-looking statements, and are identified by words such as "advancing," "believe," "expect," "well positioned," "look forward," "anticipated," "continued," and other words and terms of similar meaning. These forward-looking statements are based upon our current expectations and involve substantial risks and uncertainties. We may not actually meet the expectations disclosed in our forward-looking statements because the inclusion in the Russell indexes is outside our control. You should not place undue reliance on forward-looking statements. Our actual results and the timing of events could differ materially from those included in such forward-looking statements as a result of these risks and uncertainties, which include, without limitation, risks related to (i) our need for substantial additional funding to complete the development and commercialization of our product candidates, (ii) our ability to raise the capital to do so, (iii) our ability to develop our drug candidates for potential commercialization, (iv) the timing of our clinical trials, (v) the potential use and effectiveness of omadacycline and sarecycline, (vi) data to date and trends not being predictive of future results, and (vii) our clinical trials and product candidates not receiving regulatory approval. These and other risk factors are discussed under "Risk Factors" and elsewhere in our Quarterly Report on Form 10-Q for the quarter ended March 31, 2015, and our other filings with the Securities and Exchange Commission. We expressly disclaim any obligation or undertaking to update or revise any forward-looking statements contained herein.

CONTACT: Media Relations: Michael Lampe (484) 575-5040 michael@michaellampeconsulting.com Investor Relations: Hans Vitzthum LifeSci Advisors, LLC. 212-915-2568

Source:Paratek Pharmaceuticals