Diamyd Majority owners exercise 10,000 warrants each


Press release April 7, 2009                                                     

Diamyd Majority owners exercise 10,000 warrants each                            

Diamyd Medical is announcing today that the company's two principal owners,     
Bertil Lindquist and Anders Essen-Möller, is each converting 10,000 Diamyd TO 2B
warrants into shares in Diamyd Medical AB. The exercise price is SEK 100 per    
share.                                                                          

The transaction is being carried out by exercise of the warrants that both      
principal owners previously acquired from Diamyd Medical's President and CEO,   
Elisabeth Lindner.                                                              

The warrants Diamyd TO 2B are traded  until April 8 on First North Stock        
Exchange, and can be converted into series B shares in Diamyd Medical AB from   
March 16 until April 17, 2009. The exercise price is SEK 100.                   
                                                                                

For additional information, please contact:                                     
Elisabeth Lindner, President and CEO Diamyd Medical AB (publ.)                  
Tel: +46  8 6610026                                                             

For pictures and press material, please contact:                                
Alexandra Fleetwood, Director Communications Diamyd Medical AB (publ.),         
alexandra.fleetwood@diamyd.com                                                  
Tel: +46 8 661 0026                                                             

About Diamyd Medical                                                            
Diamyd Medical is a Swedish biopharmaceutical company focusing on the           
development of pharmaceuticals for the treatment of autoimmune diabetes and its 
complications. The company's most advanced project is the GAD-based drug Diamyd®
for type 1 diabetes. Phase III trials for this drug are in progress in both the 
US and Europe. In addition, the Company has initiated clinical studies in the US
in the area of chronic pain, using its Nerve Targeting Drug Delivery System. The
Company has also out-licensed the use of GAD for the treatment of Parkinson's   
disease.                                                                        

Diamyd Medical has offices in Sweden and in the US. Shares are listed on the OMX
Stockholm Nordic Exchange (ticker: DIAM B) and on OTCQX in the US (ticker:      
DMYDY) administered by the Pink Sheets and the Bank of New York (PAL). Further  
information is available on the company's website; www.diamyd.com.              

This information is disclosed in accordance with the Swedish Securities Markets 
Act, the Swedish Financial Instruments Trading Act, or the requirements stated  
in the listing agreements.                                                      

Diamyd Medical AB (publ.)                                                       
Linnégatan 89 B, SE-115 23 Stockholm, Sweden. Tel: +46 (0)8 6610026, Fax: +46 8 
661 63 68                                                                       
E-mail: info@diamyd.com. VAT no: SE556530-142001.                               
(www.omxnordicexchange.com ticker: DIAM B; www.otcqx.com ticker: DMYDY)

Attachments

pr_eng_ 090407_to2b.pdf