According to Newtype magazine March issue, three new OVA of Armored Trooper Votoms were announced.

Armored Trooper Votoms Case; IRVINE
Director: Igarashi Shisho(?) (episode director of "Sora no Otoshimono")
Scenario: Sato Takuya ("Fate/stay night")
Character Design: Hisayuki Hirokazu ("Mai-Otome")
Mecha Design: Okawara Kunio
Production Studio: Sunrise
Synopsis: Irvine Lester is a repairman of AT. In order to make a living with his sister, he is secretly fighting in gamble matches of AT and intentionally loses the setup games for business. But the fighters find out his excellent skills in the maneuver of AT and demand him a real serious match.

Votoms Finder
Director: Shigeta Atsushi (episode director of "Armored Trooper Votoms: Pailsen Files")
Character Design: Sekijima Mayori ("Pandora Hearts")
Production Studio: Sunrise
Synopsis: Aki Tesno lives in a poor village in the bottom of a valley. One day, a man from an uptown city asks Aki to rescue a kidnapped girl.

Armored Trooper Votoms Koei Futatabi
Director: Takahashi Ryosuke
Character Design: Shioyama Norio (""Armored Trooper Votoms)
Mecha Design: Okawara Kunio
Production Studio: Sunrise
Synopsis: Chirico visits an oasis town and meets Gotho and his friends for the first time in 32 years.

Source: Scan of Newtype (right: IRVINE, left: Finder)