Oil and gas explorer Santos Ltd (STO) announced an extension of its current gas supply agreement with concrete block and brick manufacturer Brickworks (BKW). The new long term agreement will commence January 2025 for 11 years and will, 'provide long-term security of affordable gas supply for Brickworks' and 'support Santos' investment in more gas supply for the east coast market'. Santos also announced a temporary shutdown of its John Brookes platform after identifying a gas leak with expectations of 4 to 6 weeks to return to full production. STO rose by 1.1 per cent while BKW edged 0.2 per cent lower.