Brett will now be at the Gnoll until at least the end of the 2004/2005 season.
Neath Director Mike Cuddy said: "Brett was keen to extended his contract for a further year.
"As a club we have to secure players of his quality on long-term contracts if we are going to build a team capable of performing in the European Cup, as well as performing in the Welsh Scottish league.
"Many sides in Wales and over the border have courted his services, and we are delighted that he is staying at the Gnoll as Brett is performing on top of his game and is clearly the best openside in Wales at the moment"
The Neath team to play Edinburgh at The Gnoll, on Saturday 27th April
2002, kick off at 2.00pm, will be as follows : -
Shaun Connor; Kevin James, James Storey
Dave Tiueti, Dean Dewdney; Lee Jarvis, Patrick Horgan; Nathan Bonner-Evans,
Brett Sinkinson, Alfie Mocelutu,
Gareth Llewellyn (c), Steve Martin,
Andrew Millward, Steve Jones, Duncan
Replacements: Gareth Morris, Barry Williams, Allan Bateman, Andrew Howell,
Paul James, Lyndon Bateman, Steve Tandy
After two years in the international wilderness, Adi Taviner is hoping to make up for lost time when she takes part in her second Women's Rugby World Cup which kicks off in Paris next Friday where Wales take on hosts, France.
The WRU's Women and Girls legacy events - #TRY OUR GAME have proved popular this week with current players and newcomers to the game learning new skills and picking up tips from national squad players.
We caught up with Shona and Ellie from the Wales women team ahead of the start of the Women's Rugby World Cup in Paris next month at a recent women's training session to encourage and promote more women and girls to try their hand at rugby. #tryourgame
The Women's Rugby World Cup warm-up clash between Wales and USA proved bittersweet for centre Elen Evans. Despite being one of the star performers on the day on her 50th Test appearance, USA edged home 10-7 at Cross Keys.
Wales completed their Junior World Championship campaign with a victory over Samoa. Team manager Mark Taylor and No 8 James Benjamin reflect on a tournament which saw Wales win three games and lose two.