Just recieved this from my broker regarding 3M

 01:ODDLOT(100 OR LESS)EXCHANGE FOR NEW NOTES AT RATE TO BE DETERMINED.
OPT 02 ROUND LOT HOLDERS EXCHANGE FOR NEW NOTES AT RATE TO BE DETERMINED.

3M IS OFFERING TO ITS STOCKHOLDERS THE ABILITY TO EXCHANGE ALL OR A PORTION OF 3M COMMON STOCK FOR SHARES OF GARDEN SPINCO COMMON STOCK, WHICH SHARES OF GARDEN SPINCO COMMON STOCK WILL BE IMMEDIATELY CONVERTED INTO THE RIGHT TO RECEIVE NEOGEN COMMON STOCK IN THE MERGER. THIS OFFER MAY BE SUBJECT TO PRORATION.

YOU WILL RECEIVE A NUMBER OF SHARES OF GARDEN SPINCO COMMON STOCK AT A 7% SCOUNT TO THE PER-SHARE VALUE OF NEOGEN COMMON STOCK, CALCULATED AS SET FOR FORTH BELOW, SUBJECT TO AN UPPER LIMIT OF 7.3515 SHARES OF GARDEN SPINCO CO STOCK PER SHARE OF 3M COMMON STOCK.STATED ANOTHER WAY, SUBJECT TO THE UPPER LIMIT DESCRIBED BELOW, FOR EACH $100 OF YOUR 3M COMMON STOCK ACCEPTED FOR EXCHANGE IN THE EXCHANGE OFFER, YOU WILL RECEIVE APPROXIMATELY $107.53 OF GARDEN SPINCO COMMON STOCK.

HOLDERS (OTHER THAN PARTICIPANTS IN ANY OF THE 3M SAVINGS PLANS) OF FEWER THAN 100 SHARES OF 3M COMMON STOCK WHO VALIDLY TENDER ALL OF THEIR SHARES WILL NOT BE SUBJECT TO PRORATION IF THIS EXCHANGE OFFER IS OVERSUBSCRIBED.

THERE IS A TWO-BUSINESS DAY NOTICE OF GUARANTEED DELIVERY (PROTECT).
WITHDRAWAL EXPIRATION 08/31/22

FOR EACH SHARE OF 3M COMMON STOCK THAT YOU VALIDLY TENDER IN THIS EXCHANGE

I understood there's some kind of merge, the issue is that I'm a newbie and not sure if its good or bad, should I sell or should I cry?

Would really appreciate if you masters could simplify the written above.

Thank you very much in advance!