Received this spend promo offer for my UnitedExplorer card:

Spend at least $500 in each month of Q1 (Jan, Feb, Mar), receive 750 extra miles each month. If all three months’ spend goal is met, receive another 1500 miles, for a total of 3750 miles.

Register by 3/15/2024.

Terms and conditions:
*To be eligible for this bonus offer, you must click the button in this email or log on to united.com/MonthsOfMilesBonus to register. Register by March 15, 2024, at 11:59 p.m. CT. Register in the month of January and your purchases will count toward your total spending from January 1, 2024, through March 31, 2024. Register in the month of February and your purchases will count toward your total spending from February 1, 2024, through March 31, 2024. Register in the month of March and your purchases will count toward your total spending from March 1, 2024, through March 31, 2024. All purchase transactions must be posted by the merchant by the last day of the month. You will qualify for and receive bonus miles if you make purchases with your credit card as designated by your personalized offer. If you make the number of purchases and spend the designated amount for January by January 31, 2024, you will receive the number of bonus miles designated for this month. If you make the number of purchases and spend the designated amount for February by February 29, 2024, you will receive the number of bonus miles designated for this month. If you make the designated number of purchases and spend the designated amount for March by March 31, 2024, you will receive the number of bonus miles designated for this month. You are only eligible for the additional bonus miles designated in this offer if you make the number of purchases and spend the designated amount for each of the three months, January through March. Delays by the merchant, such as shipping, could extend the transaction date beyond the offer period. Please allow 6–8 weeks after the promotion ends on March 31, 2024, for bonus miles to post to your MileagePlus account. ("Purchases" do not include balance transfers, cash advances, traveler's checks, foreign currency, money orders, wire transfers or similar cash-like transactions, lottery tickets, casino gaming chips, race track wagers or similar betting transactions, any checks that access your account, interest, unauthorized or fraudulent charges, or fees of any kind, including an annual fee, if applicable.) To qualify for this bonus offer, account must be open and not in default at the time of fulfillment. Credit card product changes during the promotional period will forfeit this bonus offer. This promotional offer is nontransferable and applies only to the account ending in the last four digits referenced in this offer. Additional terms may apply.

Chase is not responsible for the provision of, or failure to provide, the stated benefits and services. Bonus miles will post directly to your United MileagePlus® account and will not appear on your credit card statement.