Biotech Values

[DewDiligence]

MNTA Major Shareholders

[Officer/director holdings shown below are as of today and
include restricted stock and options, whether or not vested.
Institutional holdings are as reported on Form 13G and are
as of 12/31/08.]

 
                             Shares  Stake 
 Novartis                  4,708,679 11.8% 
 Visium Asset Mgmt         3,349,122  8.4% 
 T Rowe Price              3,338,081  8.4% 
 Federated Investors       2,824,546  7.1% 
 Samana Capital            2,109,760  5.3% 
 Robert Langer (Director*) 1,066,022  2.7% 
 Craig Wheeler (CEO)         991,562  2.5% 
 Alan  Crane (Director)      652,202  1.6% 
 G. Venkataraman (SVP, R&D)  628,640  1.6%  
 Ram Sasisekharan (Director) 502,344  1.3%  
 Steven Brugger (COO)        465,745  1.2%  
 Peter Hutt (Director)       269,363  0.6% 
 Richard Shea (CFO)          255,919  0.6% 
 John Bishop (SVP, Pharma)   231,100  0.6% 
 James Roach (CMO)           191,000  0.5% 
 John Clarke (Director)      173,123  0.4% 
 Bruce Leicher (Gen Counsel) 144,950  0.4% 
   
 *Retiring from BoD effective 6/10/09.