But he was sworn to secrecy until the official announcement, to be made the next day.

Until the announcement, and absent any leaks, the rumors are sure to continue.

This practice persisted after Young's death, and was maintained until the announcement of the 1978 revelation.

They then told me I couldn't tell anyone, except my immediate family, until the announcement in a few days.

Until the announcement last night, it had been trading at about $17.50 a share, almost 50 percent below its 52-week high of $34.50 a share.

Shares had risen 31% over the previous year until the announcement.

But don't you worry; my lips will remain sealed until the official announcement.

The strike was to continue until the announcement of results.

Until the announcement of the prize John and he had been on friendly terms.

The company was largely successful in hiding its ambitions until the official announcement.