"In our view, the issues of Metlifecare shares as consideration for the purchase of the Vision Senior Living and Private Life Care shares is fair for the Metlifecare minority shareholders," it said.
"The most important consideration is the proposed price that will be paid by Metlifecare for the Vision and PLC shares and we conclude that the relative adjusted NTA basis used to derive the negotiated exchange ratio ensures that the Metlifecare minority shareholders are treated fairly."
The deal, which is subject to various conditions including minority shareholder approval, involves Metlifecare buying unlisted rivals Vision (68 per cent owned by Goldman Sachs) and Private (owned by Retirement Village Group, which has 50.1 per cent of Metlifecare) for stock and cash.
Last month, an initial examination of the expansion plan was not greeted favourably by the Shareholders Association, and Metlifecare's managing director and chief executive Alan Edwards was then in discussions with big shareholders.
UBS analyst Wade Gardiner has criticised the merger, saying Metlifecare had yet to show improvement in returns from operating existing villages.
Metlifecare shares closed unchanged yesterday at $2.08, well down on March's $2.45.