I. Plenary Lectures. Influence of diffusion and adsorption of reactants on gas-solid catalytic reactions on zeolites (A. Corma). Recent advances in zeolite synthesis (H. Kessler). Hydrothermal alumination of zeolites (J. Klinowski). Quantum chemical studies of zeolite acidity (J. Sauer). II. Submitted Papers. Solid-state NMR studies of shape selectivity in zeolites (M.W. Anderson, J. Klinowski). Isomorphous substitution in zeolite ZSM-5 (S.A. Axon, J. Klinowski). Zeolite catalysts modified with fluorine (K.A. Becker, S. Kowalak). The effect of interacting molecules and cations on the properties of hydroxyl groups in zeolites: a quantum chemical study (S. Beran, J. Klinowski). Selective synthesis of carbonyl compounds using zeolites (D. Brunel et al.). 29Si MAS NMR of zeolites: semi-empirical interpretation of chemical shifts and their relation to structure parameters (G. Engelhardt). Zeolite-induced phagocytic free radicals and their potential relevance to the pathogenesis of Alzheimer's Disease (P.H. Evans et al.). High resolution solid-state 1H NMR studies of zeolites (D. Freude). 31P solid-state MAS NMR spectra: fingerprints of microporous aluminophosphates and silicoaluminophosphates (P.J. Grobet et al.). Computer simulation studies of zeolite structure and stability (R.A. Jackson et al.). Synthesis of SAPO-37 (L. Maistriau et al.). The influence of history dependent factors on the properties of zeolite catalysts (P. Massiani et al.). Localized electron energy loss spectroscopy of zeolite catalysts in the electron microscope (D.W. McComb, A. Howie). Factorial design of the ammonia-based synthesis of large uniform MFI, MEL, DOH and DOH/DDR type zeolite crystals (U. Müller et al.). A Monte Carlo study of benzene and para-xylene in zeolite theta-1 (S.D. Pickett et al.). Modified metallosilicates: are they viable catalysts? (R. Szostak et al.). Computer simulation of hydrocarbons in zeolites (J.