Shakey's V-League 12th Season Reinforced Open Conference

The Shakey's V-League 12th Season Reinforced Open Conference was the 25th conference of the Shakey's V-League that started on October 10, 2015 at the Filoil Flying V Arena, San Juan.

Preliminaries (PL)
Teams will play a single round robin format.
 * The TOP 4 TEAMS will advance to the semi-finals (SF) round.
 * The bottom two (2) teams will be eliminated from the tournament.

Semi-finals (SF)
The top four teams at the end of the single-round eliminations will advance to semifinals, with the top two earning a twice-to-beat advantage.
 * Semi-finals series: Rank 1 vs Rank 4 and Rank 2 vs Rank 3
 * Top two (2) SF teams will compete for GOLD.
 * Bottom two (2) SF teams will compete for BRONZE.

Finals
The battle for GOLD and the battle for BRONZE will both follow the best-of-three format, provided:
 * If the battle for GOLD ends in two (2) matches (2-0), then there will no longer be a Game 3 for either GOLD or Bronze. A tie in BRONZE (1-1) will be resolve using FIVB rules.
 * A tie in the series for GOLD (1-1) after Game 2 will be broken in a Game 3, regardless of the result of the series in BRONZE.

Semifinals round

 * Ranking is based from the preliminary round.

Rank 1 vs Rank 4
* Philippine Army Lady Troopers (Rank #1) had the twice-to-beat advantage

Rank 2 vs Rank 3
* PLDT Home Ultera (Rank #2) had the twice-to-beat advantage

Battle for Bronze
University of the Philippines Lady Maroons won the series in two games.

Battle for Gold
PLDT Home Ultera won the series in two games.

Final standings

 * Note:
 * (c) – Team Captain
 * (L) – Libero

Awards

 * Most valuable player (Finals)
 * Alyssa Valdez ( PLDT)
 * Most valuable player (Conference)
 * Jovelyn Gonzaga ( Army)
 * Best setter
 * Janet Serafica ( Navy)
 * Best Outside Spikers
 * Honey Royse Tubino ( Army)
 * Janine Marciano ( PLDT)
 * Best middle blockers
 * Kathy Bersola ( UP)
 * Sheena Mae Chopitea ( UP)
 * Best opposite spiker
 * Jovelyn Gonzaga ( Army)
 * Best libero
 * Lizlee Ann Gata-Pantone ( PLDT)