I got luckier with mine I guess, a couple of months ago.
The price from BOS was roughly $240 a passenger online, for a single stopover but $310 using the companion ticket, which worked out fine there was no stopover plus it was slighly above the $300 fare which is the min. required to use the travel companion certificate.
Luckily, my wife also got miles for her trip too even though citi told me she would not.