The proposal is subject to shareholder approval at a meeting due July 10.
If approved by shareholders, the capital increase will be operated by issuing 90 million new shares with a face value of RON0.1 a share.
Libra Internet Bank reported a 25% increase in its first-quarter assets to RON857.2 million, from RON683.8 million in December last year.
The bank, a unit of American investment group New Century Holdings, posted a net profit of RON1.64 million, down 38.6% from the first quarter of 2012, as it was hurt by higher investment costs.
Founded in 1996, Libra Bank runs 29 offices in Romania. The bank plans to open at least three new offices by the end of 2013.