X0101 EFFECT 33 LIVE 2007-04-10 13:00:00

S-4

0001282637 NEWMARKET CORP 333-141074 0001237233 AFTON CHEMICALS JAPAN HOLDINGS INC 333-141074-25 0000033656 ETHYL CORP 333-141074-24 0001389330 Afton Chemical Intangibles LLC 333-141074-23 0001389329 Afton Chemical Asia Pacific LLC 333-141074-22 0001389328 Afton Chemical Canada Holdings, Inc. 333-141074-21 0001389334 Ethyl Asia Pacific LLC 333-141074-20 0001389332 NewMarket Investment CO 333-141074-19 0001389333 NewMarket Services CORP 333-141074-18 0001389335 Old Town LLC 333-141074-17 0001389331 NewMarket Development CORP 333-141074-16 0001389336 Foundry Park I, LLC 333-141074-15 0001389337 Foundry Park II, LLC 333-141074-14 0001389338 Gamble's Hill, LLC 333-141074-13 0001389343 Gamble's Hill Tredegar, LLC 333-141074-12 0001389339 Gamble's Hill Lab, LLC 333-141074-11 0001389341 Gamble's Hill Landing, LLC 333-141074-10 0001389342 Gamble's Hill Third Street, LLC 333-141074-09 0001237151 ETHYL EXPORT CORP 333-141074-08 0001237153 ETHYL INTERAMERICA CORP 333-141074-07 0001237158 ETHYL VENTURES INC 333-141074-06 0001237162 INTERAMERICA TERMINALS CORP 333-141074-05 0001237165 EDWIN COOPER CORP 333-141074-04 0001237184 AFTON CHEMICALS ADDITIVES CORP 333-141074-03 0001237227 afton chemical CORP 333-141074-02 0001237231 ETHYL CANADA HOLDINGS INC 333-141074-01