You might have noticed when you load, you will received another SMS from globe saying;
Thank You for reloading. You may get up to P1K FREE LOAD if you're the 1st to text LOAD to 2363 every minuter, 7am-9am, Mon-Fri. Free 1st text; P1 on succeeding.
I have tried it and I'm always the 2nd Texter, 3rd and 4th. I may not be the winner but according to globe those unlucky attempts gained me a raffle entry for something, yeah something. If it is from Globe Telecom, I trust it. So I believe that this promo is really from Globe.