TESARO, Inc.
10/25/2012

TESARO Announces Third Quarter 2012 Operating Results

WALTHAM, Mass., Oct. 25, 2012 (GLOBE NEWSWIRE) -- TESARO, Inc. (Nasdaq:TSRO), an oncology-focused biopharmaceutical company, today reported financial results for the third quarter of 2012 and provided an update on the Company's progress.

"Our team of dedicated associates has made significant progress with each of our three development programs," said Lonnie Moulder, Chief Executive Officer. "In addition to being on track to report data from the rolapitant global registration program in the second half of next year, we are expecting to initiate a phase 1/2 clinical trial of TSR-011 and are finalizing the clinical development plan for niraparib. We look forward to a strong finish for what has been a transformational year for TESARO."

Third Quarter 2012 -- Key Accomplishments

During the third quarter of 2012, TESARO advanced the development of its pipeline of oncology supportive care and anticancer product candidates.

Third Quarter 2012 Financial Results

2012 Key Objectives

During the remainder of 2012, TESARO anticipates achieving the following key objectives:

Today's Conference Call and Webcast Reminder

TESARO will host a conference call discussing the Company's third quarter 2012 accomplishments and financial results today at 4:30 p.m. (ET). The call can be accessed by dialing 1.877.853.5334 (U.S. and Canada) or 1.970.315.0307 (international).

A live, listen-only webcast of the conference call can also be accessed by visiting the TESARO website at www.tesarobio.com. A replay of the webcast will be archived on the Company's website for 30 days following the call.

About TESARO

TESARO, Inc. is an oncology-focused biopharmaceutical company dedicated to improving the lives of cancer patients.

The TESARO, Inc. logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=13456

To the extent that statements contained in this press release are not descriptions of historical facts regarding TESARO, they are forward-looking statements reflecting the current beliefs and expectations of management made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Words such as "may," "will," "expect," "anticipate," "estimate," "intend," and similar expressions (as well as other words or expressions referencing future events, conditions or circumstances) are intended to identify forward-looking statements. Examples of forward looking statements contained in this press release include, among others, statements regarding our expectations regarding our development plans for our product candidates and statements under the heading 2012 Key Objectives. Forward-looking statements in this release involve substantial risks and uncertainties that could cause our clinical development programs, future results, performance or achievements to differ significantly from those expressed or implied by the forward-looking statements. Such risks and uncertainties include, among others, the uncertainties inherent in the initiation of future clinical trials, availability of data from ongoing clinical trials, expectations for regulatory approvals, development progress of our companion diagnostics, and other matters that could affect the availability or commercial potential of our drug candidates or companion diagnostics. TESARO undertakes no obligation to update or revise any forward-looking statements. For a further description of the risks and uncertainties that could cause actual results to differ from those expressed in these forward-looking statements, as well as risks relating to the business of the Company in general, see TESARO's Prospectus filed with the Securities and Exchange Commission on June 29, 2012.

         
         
 TESARO, Inc. 
 Unaudited Condensed Consolidated Statements of Operations 
 (in thousands, except per share amounts) 
         
  Three Months Ended
September 30, 
 Nine Months Ended
September 30, 
 2011201220112012
         
 Expenses:         
 Research and development   $ 1,921  $ 11,876  $ 3,767  $ 31,558
 General and administrative   893  1,736  2,068  4,620
 Acquired in-process research and development   --  --  500  7,000
 Total expenses   2,814  13,612  6,335  43,178
 Loss from operations   (2,814)  (13,612)  (6,335)  (43,178)
 Interest income   14  53  25  112
 Other loss   --  --  (1,010)  --
 Net loss   $ (2,800)  $ (13,559)  $ (7,320)  $ (43,066)
         
 Net loss per share applicable to common stockholders - basic and diluted   $ (5.20)  $ (0.52)  $ (14.98)  $ (4.62)
         
 Weighted-average number of common shares used in net loss per share applicable to common stockholders - basic and diluted   539  26,130  489  9,316
     
     
 TESARO, Inc. 
 Unaudited Condensed Consolidated Balance Sheets 
 (in thousands) 
     
 December 31,
2011
September 30,
2012
     
Assets    
Current assets:    
Cash and cash equivalents  $ 39,825  $ 138,580
Other current assets  2,606  1,883
Total current assets  42,431  140,463
     
Property and equipment, net  118  173
Restricted cash  200  200
Other assets  130  364
 Total assets  $ 42,879  $ 141,200
     
Liabilities, convertible preferred stock and stockholders' (deficit) equity
Current liabilities:    
Accounts payable  $ 605  $ 1,877
Accrued expenses  2,980  5,777
Other current liabilities  11  6
Total current liabilities  3,596  7,660
     
Other non-current liabilities  3  --
     
Commitments and contingencies    
     
Convertible preferred stock  64,348  --
     
Total stockholders' (deficit) equity  (25,068)  133,540
 Total liabilities, convertible preferred stock and stockholders' (deficit) equity  $ 42,879  $ 141,200

This selected financial information should be read in conjunction with the consolidated financial statements and notes thereto included in TESARO's prospectus filed with the Securities and Exchange Commission on June 29, 2012, which includes the audited financial statements for the year ended December 31, 2011.

CONTACT: Richard Rodgers

         Executive Vice President & CFO

         +1.339.970.0903

         rrodgers@tesarobio.com