Just received in my email:
Boost your balance, fast.
For just 3 days, reaching your next travel goal is easier with 50% more award miles added to your purchase when you buy miles.
Don't wait – take advantage of this special offer and buy the miles you need for award travel, upgrades and much more.
Hurry, this offer ends at 11:59 p.m. CDT on March 31, 2016.
100,000+50,00 Bonus = $3,500 USD
Don't think it's a targeted offer.
T&C's:
Terms and conditions
Promotional offer valid until 11:59 p.m. CT on March 31, 2016.
Minimum purchase of 10,000 miles needed for promotional pricing
Miles are available in increments of 1,000 up to a maximum of 100,000 miles.
Bonus Miles will be credited to the recipient's account when the transaction is complete.
Bonus miles count towards the 150,000 mile annual limit per account.
Purchase up to 150,000 miles per account per calendar year.
Credit card will be billed immediately upon purchase.
Mileage rates and other fees and offer terms are subject to change.
Allow 48 hours for miles to process and post to your MileagePlus account.
Miles are nonrefundable.
Purchased miles do not count toward MileagePlus Premier® status.
All MileagePlus Program Rules and terms and conditions apply.
GST/HST is charged to Canadian residents.
Powered by Points to purchase United MileagePlus miles. Transaction will appear as 'Points United Miles'