[1] Tanduay Rhum Masters strung up 18 straight victories (18-0) in the 2nd Yakult-PBL Centennial Cup, before newcomer Blu Detergents halted their winning run.
Dr.J/ANA Water Dispenser won their first-ever PBL crown with a 3-2 series win over Tanduay and denied the Rhum Masters on what could have been a grand exit for the multi-titled ballclub as the Lucio Tan franchise leaped to the pro ranks.
PBL Commissioner Yeng Guiao came up with the formation of the first-ever women's league in the PBL in mid-October to spice up the 2nd conference, among the teams which participated in the Women's Philippine Basketball League are Dr J/Ana Dispenser, Dreyers Ice Cream, Welcoat Paints, Ever Bilena, Tanduay, Chowking and Paralux/Ironcon.
Notable WPBL cagebelles were former RP team members Mitchell Jimenez (Paralux), Ana Marie Tinasas (Dreyers), Joanna Franquelli (Ana Dispenser), Mary Ellen Caasi and Cherry Maralit (Welcoat), and four-time SEA games campaigner and silver medal winning-RP team in the Chiang Mai games, Julie Amos of Ever Bilena.
On December 28, 1998, Ever Bilena won the first Birch Tree-Women's PBL crown with a nail-biting 52-51 victory over Chowking at the Makati Coliseum.