| 
               ☐ 
             | 
            
               Preliminary Proxy Statement 
               | 
          
| 
               ☐ 
             | 
            
               Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) 
               | 
          
| 
               ☐ 
             | 
            
               Definitive Proxy Statement 
               | 
          
| 
               ☒ 
             | 
            
               Definitive Additional Materials 
               | 
          
| 
               ☐ 
             | 
            
               Soliciting Material Pursuant to Sec. 240.14a-12 
             | 
          
| 
                 Grace Therapeutics, Inc. 
               | 
            
| 
                 (Name of Registrant as Specified In Its Charter) 
               | 
            
| 
                 | 
            
| 
                 (Name of Person(s) Filing Proxy Statement, if other than the Registrant) 
               | 
            
| 
               ☒ 
             | 
            
               No fee required 
               | 
          
| 
               ☐ 
             | 
            
               Fee paid previously with preliminary materials 
               | 
          
| 
               ☐ 
             | 
            
               Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11 
               | 
          
