From memory, settlement date (record date) is 13 June 2018, with payment circa 20 June 2018, providing no 'counter' turns up, and the vote is a resounding YES...
Merck plan to delist VLA some time shortly thereafter from memory, so while VLA is still a ASX-listed instrument, it's an 'open' market...
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@Lopez, see p6 off the SoA document mate... (Key Dates)