Ulster will enter the last 16 of the EPCR Challenge Cup, following the province's 5th placed finish in Pool 2 of the Investec Champions Cup.
Ulster will face an away tie against a qualifying Challenge Cup team.
Teams entering from the Investec Champions Cup will be placed from 9 to 12.
Fixture details are to be confirmed.
The Round of 16 fixtures would be determined as follows:
EPCR Challenge Cup, Round of 16, 5/6/7 April:
R16 1: Number 1-ranked club v Number 16-ranked club
R16 2: Number 2-ranked club v Number 15-ranked club
R16 3: Number 3-ranked club v Number 14-ranked club
R16 4: Number 4-ranked club v Number 13-ranked club
R16 5: Number 5-ranked club v Number 12-ranked club
R16 6: Number 6-ranked club v Number 11-ranked club
R16 7: Number 7-ranked club v Number 10-ranked club
R16 8: Number 8-ranked club v Number 9-ranked club
NB The clubs ranked numbers 1 to 8 will have home advantage in the Round of 16.