| Date | Issuer | Insider | Transaction | Amount | New Balance ⓘ 
                                    The balance of securities held by registered holder at the time of the transaction. Insiders may direct multiple registered holders and hold multiple security types.
                                 | |
|---|---|---|---|---|---|---|
| Filed 2017-05-25 Tx date 2017-05-19 | $STT STT Enviro Corp. (formerly Semcan Inc.) | Bringeland, Hal Fraser 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares22 - Acquisition or disposition pursuant to a take-over bid, merger or acquisition | $-812,410.83 -2,579,082 vol $0.315 each | 0 | |
| Filed 2017-05-25 Tx date 2017-05-23 | $STT STT Enviro Corp. (formerly Semcan Inc.) | Bringeland, Hal Fraser 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options38 - Redemption, retraction, cancellation, repurchase | $-15,750 -50,000 vol $0.315 each | 30,000 | |
| Filed 2017-05-25 Tx date 2017-05-23 | $STT STT Enviro Corp. (formerly Semcan Inc.) | Bringeland, Hal Fraser 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options38 - Redemption, retraction, cancellation, repurchase | $-9,450 -30,000 vol $0.315 each | 0 | |
| Filed 2016-06-16 Tx date 2016-06-13 | $STT STT Enviro Corp. (formerly Semcan Inc.) | Bringeland, Hal Fraser 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $8,000 +50,000 vol $0.16 each | 2,579,082 | |
| Filed 2016-06-16 Tx date 2016-06-13 | $STT STT Enviro Corp. (formerly Semcan Inc.) | Bringeland, Hal Fraser 
                                5 - Senior Officer of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options51 - Exercise of options | $-8,000 -50,000 vol $0.16 each | 80,000 |