This is the most that can be found on it but, Dupont is quoting Obummecare for them dropping retirees.

10's of thousands are without insurance and have been told they can use their share a month to buy obamacare in 2014 or other insurance until then.

http://www2.dupont.com/DuPont_Retiree/en_US/assets/downloads/DuPont_Retiree_Pre65_.pdf

This newsletter explains the January 1, 2012 changes to your
DuPont retiree benefits.
If you choose to make changes, you may do so between November 7
and December 7, 2011 by calling the MyInfo Service Center at
1-877-694-6364. You can speak to an Employee Service Representative
Monday through Friday between the hours of 7:00 a.m. and 7:00 p.m.
Eastern Time (excluding holidays).

Introducing a New Medical Option
for 2012!
The Health Savings PPO offers you comprehensive DuPont medical
plan coverage plus a tax-advantaged way to save your own money.
It’s time to consider a change! See page 5 for details.
Enrollment Change Period: November 7 – December 7
Take Action:
Read about the changes for 2012 beginning on page 2.
Review your enclosed Confirmation of Coverage. Contact the MyInfo
Service Center during the Enrollment Change Period to change your benefit
elections for 2012 and remove any dependents who are no longer eligible.
Go to www.retiree.dupont.com to view and listen to the 2012
Retiree Health Care Enrollment presentation.
Consider switching to the new Health Savings PPO. Additional
information on the new DuPont medical option can be found at www.
retiree.dupont.com or call the MyInfo Service Center for assistance.
Enrollment for 2012 takes place from November 7 to December 7, 2011.
Earn your Healthy Incentive reward for 2012. Get $15 off your
monthly medical premium. To earn your reward, go online to
www.myhealth.dupont.com for details and to take the Mayo Clinic
Health Assessment between November 7 and December 16.