Friday, July 31, the companies did not disclose the financial details of the agreement but said terms were based on the volume of doses and the timing of the delivery.
The United States has signed a similar deal with Pfizer and BioNtech for 100 million doses for nearly $2 billion, which amounts to a $39 price tag for what is likely to be a two-dose treatment course.
There is no current vaccine for COVID-19.
The disease has claimed 670,000 lives and upended economies, and there are over 150 vaccines in various stages of development against the still fast-spreading virus.
BioNTech and Pfizer on Monday, July 27, began a large, late-stage trial of their vaccine candidate to demonstrate its efficacy.
Assuming the clinical success of the vaccines, Pfizer and BioNtech said they are on track to seek regulatory review for the vaccine as early as October.