| 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 2018-11-19 Tx date 2018-11-19 | $STLC Stelco Holdings Inc. | Bedrock Industries B.V. 
                                3 - 10% Security Holder of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares11 - Acquisition or disposition carried out privately | $-250,100,000 -12,200,000 vol $20.50 each | 41,172,315 | |
| Filed 2018-11-16 Tx date 2018-10-11 | $STLC Stelco Holdings Inc. | Bedrock Industries B.V. 
                                3 - 10% Security Holder of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares11 - Acquisition or disposition carried out privately | -3,181,572 vol | 53,372,315 | |
| Filed 2018-10-12 Tx date 2018-10-09 | $STLC Stelco Holdings Inc. | Bedrock Industries B.V. 
                                3 - 10% Security Holder of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares11 - Acquisition or disposition carried out privately | -730,000 vol | 56,553,887 | |
| Filed 2018-09-24 Tx date 2018-09-17 | $STLC Stelco Holdings Inc. | Bedrock Industries B.V. 
                                3 - 10% Security Holder of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares11 - Acquisition or disposition carried out privately | -8,000,000 vol | 57,283,887 | |
| Filed 2018-04-06 Tx date 2018-04-03 | $STLC Stelco Holdings Inc. | Bedrock Industries B.V. 
                                3 - 10% Security Holder of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares15 - Acquisition or disposition under a prospectus | $-217,500,000 -10,000,000 vol $21.75 each | 65,283,887 | |
| Filed 2017-11-13 Tx date 2017-11-02 | $STLC Stelco Holdings Inc. | Bedrock Industries B.V. 
                                3 - 10% Security Holder of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares00 - Opening Balance-Initial SEDI Report | 10 | ||
| Filed 2017-11-13 Tx date 2017-11-10 | $STLC Stelco Holdings Inc. | Bedrock Industries B.V. 
                                3 - 10% Security Holder of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares45 - Compensation for property | $1,279,825,909 +75,283,877 vol $17.00 each | 75,283,887 |