** Shares in Belgian real estate investment trust Cofinimmo COFB.BR rise 2.4%, paring gains after rising as much as 3.5%, after it agreed to a takeover offer by healthcare real estate company Aedifica AOO.BR
** "We expect this merger to go through as we see strong support from investors following the discussions that we had recently," Jefferies says
** The exchange offer, to be launched on September 1, will give 1.185 new Aedifica shares for each Cofinimmo share
** Synergies are estimated at around 16 million euros ($18.29 million), which Jefferies says will bring the companies' EPRA cost ratios to a similar level
** "The current ratio is close to a net asset value (NAV) parity, which we expected," Jefferies adds
** Including Tuesday's rise, Cofinimmo has gained 38.4% YTD
** It is among top performers on the pan-European STOXX 600 index .STOXX
** Aedifica's shares are flat
($1 = 0.8750 euros)
(Reporting by Dimitri Rhodes)
((Dimitri.rhodes@thomsonreuters.com))